diff --git a/rog/admin.py b/rog/admin.py
index b2b322a..0814f64 100644
--- a/rog/admin.py
+++ b/rog/admin.py
@@ -29,6 +29,24 @@ from django.core.exceptions import ValidationError
 from django.contrib.auth.forms import UserChangeForm, UserCreationForm
 from django.utils.translation import gettext_lazy as _
 
+from .services.csv_processor import EntryCSVProcessor
+
+@admin.register(Entry)
+class EntryAdmin(admin.ModelAdmin):
+    list_display = ['team', 'event', 'category', 'date', 'is_active']
+    
+    def get_urls(self):
+        from django.urls import path
+        urls = super().get_urls()
+        custom_urls = [
+            path('upload-csv/', self.upload_csv_view, name='entry_upload_csv'),
+        ]
+        return custom_urls + urls
+
+    def upload_csv_view(self, request):
+        processor = EntryCSVProcessor()
+        return processor.process_upload(request)
+
 @admin.register(GifurogeRegister)
 class GifurogeRegisterAdmin(admin.ModelAdmin):
     list_display = ('event_code', 'time', 'owner_name', 'email', 'team_name', 'department')
@@ -905,7 +923,6 @@ class CustomUserCreationForm(UserCreationForm):
         model = CustomUser
         fields = ('email', 'lastname', 'firstname', 'date_of_birth', 'female')
 
-'''
 @admin.register(CustomUser)
 class CustomUserAdmin(UserAdmin):
     form = CustomUserChangeForm
@@ -913,8 +930,9 @@ class CustomUserAdmin(UserAdmin):
     #model = CustomUser
 
     list_display = ('email', 'is_staff', 'is_active', 'is_rogaining', 'zekken_number', 'event_code', 'team_name', 'group', 'firstname', 'lastname')
-    add_form = CustomUserCreationForm
+    search_fields = ('egit mail', 'firstname', 'lastname', 'zekken_number')
     list_filter = ('is_staff', 'is_active', 'is_rogaining', 'group')
+    ordering = ('email',)
 
     # readonly_fieldsを明示的に設定
     readonly_fields = ('date_joined',)  # 変更不可のフィールドのみを指定=>Personal Infoも編集可能にする。
@@ -956,34 +974,3 @@ class CustomUserAdmin(UserAdmin):
         if request.user.is_superuser:
             return ('date_joined', 'last_login')
         return ('date_joined', 'last_login', 'is_staff', 'is_superuser')
-'''
-
-admin.site.register(Useractions)
-admin.site.register(RogUser, admin.ModelAdmin)
-admin.site.register(Location, LocationAdmin) 
-admin.site.register(SystemSettings, admin.ModelAdmin) 
-admin.site.register(JoinedEvent, admin.ModelAdmin) 
-admin.site.register(Favorite, admin.ModelAdmin) 
-admin.site.register(TravelList, admin.ModelAdmin) 
-admin.site.register(TravelPoint, admin.ModelAdmin)
-admin.site.register(Event, admin.ModelAdmin)
-admin.site.register(Location_line,  LeafletGeoAdmin)
-admin.site.register(Location_polygon, LeafletGeoAdmin)
-admin.site.register(JpnAdminMainPerf, LeafletGeoAdmin)
-admin.site.register(UserTracks, LeafletGeoAdmin);
-#admin.site.register(JpnAdminPerf, LeafletGeoAdmin)
-admin.site.register(GifuAreas, LeafletGeoAdmin)
-admin.site.register(ShapeLayers, admin.ModelAdmin)
-admin.site.register(UserUpload, admin.ModelAdmin)
-admin.site.register(EventUser, admin.ModelAdmin)
-#admin.site.register(UserUploadUser, admin.ModelAdmin)
-#admin.site.register(ShapeFileLocations, admin.ModelAdmin)
-
-admin.site.register(CustomUser, UserAdminConfig)
-admin.site.register(templocation, TempLocationAdmin)
-admin.site.register(GoalImages, admin.ModelAdmin)
-admin.site.register(CheckinImages, admin.ModelAdmin)
-
-
-
-
diff --git a/rog/services/csv_processor.py b/rog/services/csv_processor.py
new file mode 100644
index 0000000..64bd132
--- /dev/null
+++ b/rog/services/csv_processor.py
@@ -0,0 +1,214 @@
+# services/csv_processor.py
+from typing import Dict, Any
+from django.shortcuts import render, redirect
+from django.contrib import messages
+from django.contrib.auth.hashers import make_password
+from django.core.exceptions import ValidationError
+from django.db import transaction
+from datetime import timedelta
+import csv
+
+from ..models import CustomUser, Team, Member, NewCategory, Entry, NewEvent2
+from ..utils.date_converter import DateConverter
+from ..utils.name_splitter import NameSplitter
+
+class EntryCSVProcessor:
+    def __init__(self):
+        self.date_converter = DateConverter()
+        self.name_splitter = NameSplitter()
+
+    def process_upload(self, request):
+        """
+        CSVファイルのアップロードとデータ処理を行う
+        """
+        if request.method == 'POST':
+            try:
+                if 'csv_file' not in request.FILES:
+                    messages.error(request, 'No file was uploaded.')
+                    return redirect('..')
+
+                csv_file = request.FILES['csv_file']
+                if not csv_file.name.endswith('.csv'):
+                    messages.error(request, 'File is not CSV type')
+                    return redirect('..')
+
+                # BOMを考慮してファイルを読み込む
+                file_content = csv_file.read()
+                if file_content.startswith(b'\xef\xbb\xbf'):
+                    file_content = file_content[3:]
+                
+                decoded_file = file_content.decode('utf-8').splitlines()
+                reader = csv.DictReader(decoded_file)
+                
+                for row in reader:
+                    try:
+                        self.process_csv_row(row)
+                    except Exception as e:
+                        messages.error(request, f'Error in row: {str(e)}')
+                        return redirect('..')
+                
+                messages.success(request, 'CSV file processed successfully')
+                return redirect('..')
+                
+            except Exception as e:
+                messages.error(request, f'Error processing CSV: {str(e)}')
+                return redirect('..')
+        
+        return render(request, 'admin/entry/upload_csv.html')
+
+    def process_csv_row(self, row: Dict[str, Any]) -> None:
+        """
+        CSVの1行のデータを処理する
+        """
+        try:
+            with transaction.atomic():
+                # 1) ユーザーの作成/取得
+                user = self._get_or_create_user(row)
+                if not user:
+                    raise ValidationError("Failed to create/get user")
+
+                # 2) チームの作成/取得とカテゴリの設定
+                team = self._get_or_create_team(row, user)
+                if not team:
+                    raise ValidationError("Failed to create/get team")
+
+                # 3) メンバーの作成/更新
+                self._process_team_members(row, team, user)
+
+                # 4) エントリーの作成
+                self._create_entry(row, team, user)
+
+        except Exception as e:
+            raise ValidationError(f"Error processing row: {str(e)}")
+
+    def _get_or_create_user(self, row: Dict[str, Any]) -> CustomUser:
+        """
+        メールアドレスでユーザーを検索し、存在しない場合は新規作成
+        """
+        user = CustomUser.objects.filter(email=row['email']).first()
+        if not user:
+            last_name, first_name = self.name_splitter.split_full_name(row['owner_name'])
+            birth_date = self.date_converter.convert_date(row['owner_birthday'])
+            is_female = row['owner_sex'] in ['女性', '女', '女子', 'female']
+            
+            user = CustomUser.objects.create(
+                email=row['email'],
+                password=make_password(row['password']),
+                firstname=first_name,
+                lastname=last_name,
+                date_of_birth=birth_date,
+                female=is_female,
+                is_active=True
+            )
+        return user
+
+    def _get_or_create_team(self, row: Dict[str, Any], user: CustomUser) -> Team:
+        """
+        チーム名でチームを検索し、存在しない場合は新規作成
+        既存チームの場合はメンバー構成を確認し、必要に応じて新バージョンを作成
+        """
+        team_name = row['team_name']
+        base_team_name = team_name
+        version = 1
+
+        while Team.objects.filter(team_name=team_name).exists():
+            existing_team = Team.objects.get(team_name=team_name)
+            if self._check_same_members(existing_team, row, user):
+                return existing_team
+            version += 1
+            team_name = f"{base_team_name}_v{version}"
+
+        # 新規チームを作成
+        category = self._get_or_create_category(row)
+        team = Team.objects.create(
+            team_name=team_name,
+            owner=user,
+            category=category
+        )
+        return team
+
+    def _get_or_create_category(self, row: Dict[str, Any]) -> NewCategory:
+        """
+        時間とデパートメントに基づいてカテゴリを取得または作成
+        """
+        category_name = f"{row['department']}_{row['time']}h"
+        category, _ = NewCategory.objects.get_or_create(
+            category_name=category_name,
+            defaults={
+                'duration': timedelta(hours=int(row['time'])),
+                'num_of_member': int(row['members_count'])
+            }
+        )
+        return category
+
+    def _check_same_members(self, team: Team, row: Dict[str, Any], owner: CustomUser) -> bool:
+        """
+        既存チームと新しいメンバー構成が同じかどうかをチェック
+        """
+        existing_members = set(member.user.email for member in team.members.all())
+        new_members = {owner.email}
+        
+        for i in range(2, int(row['members_count']) + 1):
+            if row.get(f'member{i}'):
+                new_members.add(f"dummy_{team.team_name}_{i}@example.com")
+        
+        return existing_members == new_members
+
+    def _process_team_members(self, row: Dict[str, Any], team: Team, owner: CustomUser) -> None:
+        """
+        チームメンバーを処理（オーナーとその他のメンバー）
+        """
+        # オーナーをメンバーとして追加
+        Member.objects.get_or_create(
+            team=team,
+            user=owner,
+            defaults={'is_temporary': False}
+        )
+
+        # 追加メンバーの処理
+        for i in range(2, int(row['members_count']) + 1):
+            if row.get(f'member{i}'):
+                self._create_team_member(row, team, i)
+
+    def _create_team_member(self, row: Dict[str, Any], team: Team, member_num: int) -> None:
+        """
+        チームの追加メンバーを作成
+        """
+        last_name, first_name = self.name_splitter.split_full_name(row[f'member{member_num}'])
+        birth_date = self.date_converter.convert_date(row[f'birthday{member_num}'])
+        is_female = row.get(f'sex{member_num}', '') in ['女性', '女', '女子', 'female']
+        
+        dummy_email = f"dummy_{team.team_name}_{member_num}@example.com"
+        dummy_user, _ = CustomUser.objects.get_or_create(
+            email=dummy_email,
+            defaults={
+                'password': make_password('dummy_password'),
+                'firstname': first_name,
+                'lastname': last_name,
+                'date_of_birth': birth_date,
+                'female': is_female
+            }
+        )
+        
+        Member.objects.get_or_create(
+            team=team,
+            user=dummy_user,
+            defaults={'is_temporary': True}
+        )
+
+    def _create_entry(self, row: Dict[str, Any], team: Team, owner: CustomUser) -> None:
+        """
+        エントリーを作成
+        """
+        try:
+            event = NewEvent2.objects.get(event_name=row['event_code'])
+            Entry.objects.create(
+                team=team,
+                event=event,
+                category=team.category,
+                date=event.start_datetime,
+                owner=owner,
+                is_active=False
+            )
+        except NewEvent2.DoesNotExist:
+            raise ValidationError(f"Event with code {row['event_code']} does not exist")
\ No newline at end of file
diff --git a/rog/utils/date_converter.py b/rog/utils/date_converter.py
new file mode 100644
index 0000000..bcd7fa3
--- /dev/null
+++ b/rog/utils/date_converter.py
@@ -0,0 +1,83 @@
+# utils/date_converter.py
+from datetime import datetime, date
+from typing import Optional
+
+class DateConverter:
+    """
+    日本語の日付文字列を扱うユーティリティクラス
+    """
+    
+    def convert_date(self, date_str: str) -> Optional[date]:
+        """
+        日本語の日付文字列をdateオブジェクトに変換する
+        
+        Args:
+            date_str: 変換する日付文字列（例: '1990年1月1日' or '1990-01-01' or '1990/01/01'）
+            
+        Returns:
+            変換されたdateオブジェクト。変換できない場合はNone
+        """
+        if not date_str or date_str.strip() == '':
+            return None
+            
+        try:
+            # 全角数字を半角数字に変換
+            date_str = date_str.translate(
+                str.maketrans('０１２３４５６７８９', '0123456789')
+            )
+            date_str = date_str.strip()
+
+            # 区切り文字の判定と分割
+            if '年' in date_str:
+                # 年月日形式の場合
+                date_parts = date_str.replace('年', '/').replace('月', '/').replace('日', '').split('/')
+            elif '/' in date_str:
+                # スラッシュ区切りの場合
+                date_parts = date_str.split('/')
+            elif '-' in date_str:
+                # ハイフン区切りの場合
+                date_parts = date_str.split('-')
+            else:
+                return None
+    
+            # 部分の数を確認
+            if len(date_parts) != 3:
+                return None
+    
+            year = int(date_parts[0])
+            month = int(date_parts[1])
+            day = int(date_parts[2])
+            
+            # 簡単な妥当性チェック
+            if not (1900 <= year <= 2100):
+                return None
+            if not (1 <= month <= 12):
+                return None
+            if not (1 <= day <= 31):
+                return None
+
+            return date(year, month, day)
+            
+        except (ValueError, IndexError, TypeError):
+            return None
+
+    def format_date(self, d: date, format_type: str = 'ja') -> str:
+        """
+        dateオブジェクトを指定された形式の文字列に変換する
+        
+        Args:
+            d: 変換するdateオブジェクト
+            format_type: 出力形式 ('ja': 日本語形式, 'iso': ISO形式)
+            
+        Returns:
+            変換された日付文字列
+        """
+        if not isinstance(d, date):
+            return ''
+            
+        if format_type == 'ja':
+            return f"{d.year}年{d.month}月{d.day}日"
+        elif format_type == 'iso':
+            return d.isoformat()
+        else:
+            return str(d)
\ No newline at end of file
diff --git a/rog/utils/name_splitter.py b/rog/utils/name_splitter.py
new file mode 100644
index 0000000..6ad9479
--- /dev/null
+++ b/rog/utils/name_splitter.py
@@ -0,0 +1,119 @@
+# utils/name_splitter.py
+from typing import Tuple
+
+class NameSplitter:
+    """
+    日本語の氏名を扱うユーティリティクラス
+    """
+    
+    def split_full_name(self, full_name: str) -> Tuple[str, str]:
+        """
+        フルネームを姓と名に分割する
+        
+        Args:
+            full_name: 分割する氏名（例: '山田 太郎' or '山田　太郎' or 'Yamada Taro'）
+            
+        Returns:
+            (姓, 名)のタプル。分割できない場合は(フルネーム, '')を返す
+        """
+        if not full_name:
+            return ('', '')
+            
+        try:
+            # 空白文字で分割（半角スペース、全角スペース、タブなど）
+            parts = full_name.replace('　', ' ').split()
+            
+            if len(parts) >= 2:
+                last_name = parts[0]
+                first_name = ' '.join(parts[1:])  # 名が複数単語の場合に対応
+                return (last_name.strip(), first_name.strip())
+            else:
+                # 分割できない場合は全体を姓とする
+                return (full_name.strip(), '')
+                
+        except Exception:
+            return (full_name.strip(), '')
+
+    def join_name(self, last_name: str, first_name: str, format_type: str = 'ja') -> str:
+        """
+        姓と名を結合して一つの文字列にする
+        
+        Args:
+            last_name: 姓
+            first_name: 名
+            format_type: 出力形式 ('ja': 日本語形式, 'en': 英語形式)
+            
+        Returns:
+            結合された氏名文字列
+        """
+        last_name = last_name.strip()
+        first_name = first_name.strip()
+        
+        if not last_name and not first_name:
+            return ''
+            
+        if not first_name:
+            return last_name
+            
+        if not last_name:
+            return first_name
+            
+        if format_type == 'ja':
+            return f"{last_name}　{first_name}"  # 全角スペース
+        elif format_type == 'en':
+            return f"{first_name} {last_name}"  # 英語形式：名 姓
+        else:
+            return f"{last_name} {first_name}"  # デフォルト：半角スペース
+
+    def normalize_name(self, name: str) -> str:
+        """
+        名前の正規化を行う
+        
+        Args:
+            name: 正規化する名前文字列
+            
+        Returns:
+            正規化された名前文字列
+        """
+        if not name:
+            return ''
+            
+        # 空白文字の正規化
+        name = ' '.join(name.split())  # 連続する空白を単一の半角スペースに
+        
+        # 全角英数字を半角に変換
+        name = name.translate(str.maketrans({
+            '　': ' ',  # 全角スペースを半角に
+            '．': '.',
+            '，': ',',
+            '！': '!',
+            '？': '?',
+            '：': ':',
+            '；': ';',
+        }))
+        
+        return name.strip()
+
+    def is_valid_name(self, name: str) -> bool:
+        """
+        名前が有効かどうかをチェックする
+        
+        Args:
+            name: チェックする名前文字列
+            
+        Returns:
+            名前が有効な場合はTrue、そうでない場合はFalse
+        """
+        if not name or not name.strip():
+            return False
+            
+        # 最小文字数チェック
+        if len(name.strip()) < 2:
+            return False
+            
+        # 記号のチェック（一般的でない記号が含まれていないか）
+        invalid_chars = set('!@#$%^&*()_+=<>?/\\|~`')
+        if any(char in invalid_chars for char in name):
+            return False
+            
+        return True
\ No newline at end of file