diff --git a/packages/backend/src/app.module.ts b/packages/backend/src/app.module.ts
index 7069fb0..757fb6b 100644
--- a/packages/backend/src/app.module.ts
+++ b/packages/backend/src/app.module.ts
@@ -4,6 +4,7 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { UsersModule } from './users/users.module';
+import { PersonsModule } from './persons/persons.module';
 
 @Module({
   imports: [
@@ -34,6 +35,8 @@ import { UsersModule } from './users/users.module';
     }),
 
     UsersModule,
+
+    PersonsModule,
   ],
   controllers: [AppController],
   providers: [AppService],
diff --git a/packages/backend/src/persons/dto/create-person.dto.ts b/packages/backend/src/persons/dto/create-person.dto.ts
new file mode 100644
index 0000000..c08acd8
--- /dev/null
+++ b/packages/backend/src/persons/dto/create-person.dto.ts
@@ -0,0 +1,33 @@
+import {
+  IsString,
+  IsNotEmpty,
+  IsDateString,
+  IsBoolean,
+  IsOptional,
+} from 'class-validator';
+import { ICreatePersonneDTO } from '@gim/shared';
+
+export class CreatePersonDto implements ICreatePersonneDTO {
+  @IsString()
+  @IsNotEmpty()
+  numeroLicence!: string;
+
+  @IsString()
+  @IsNotEmpty()
+  nom!: string;
+
+  @IsString()
+  @IsNotEmpty()
+  prenom!: string;
+
+  @IsDateString()
+  dateNaissance!: string;
+
+  @IsBoolean()
+  @IsOptional()
+  surclasse!: boolean;
+
+  @IsBoolean()
+  @IsOptional()
+  coach!: boolean;
+}
diff --git a/packages/backend/src/persons/dto/update-person.dto.ts b/packages/backend/src/persons/dto/update-person.dto.ts
new file mode 100644
index 0000000..85e97b5
--- /dev/null
+++ b/packages/backend/src/persons/dto/update-person.dto.ts
@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { CreatePersonDto } from './create-person.dto';
+
+export class UpdatePersonDto extends PartialType(CreatePersonDto) {}
diff --git a/packages/backend/src/persons/entities/person.entity.ts b/packages/backend/src/persons/entities/person.entity.ts
new file mode 100644
index 0000000..ccc19bd
--- /dev/null
+++ b/packages/backend/src/persons/entities/person.entity.ts
@@ -0,0 +1,26 @@
+import { Entity, PrimaryGeneratedColumn, Column } from 'typeorm';
+import { IPersonne } from '@gim/shared';
+
+@Entity('personnes')
+export class Person implements IPersonne {
+  @PrimaryGeneratedColumn('uuid')
+  id!: string;
+
+  @Column({ unique: true })
+  numeroLicence!: string;
+
+  @Column()
+  nom!: string;
+
+  @Column()
+  prenom!: string;
+
+  @Column({ type: 'date' })
+  dateNaissance!: string;
+
+  @Column({ default: false })
+  surclasse!: boolean;
+
+  @Column({ default: false })
+  coach!: boolean;
+}
diff --git a/packages/backend/src/persons/persons.controller.spec.ts b/packages/backend/src/persons/persons.controller.spec.ts
new file mode 100644
index 0000000..992bc30
--- /dev/null
+++ b/packages/backend/src/persons/persons.controller.spec.ts
@@ -0,0 +1,20 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { PersonsController } from './persons.controller';
+import { PersonsService } from './persons.service';
+
+describe('PersonsController', () => {
+  let controller: PersonsController;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [PersonsController],
+      providers: [PersonsService],
+    }).compile();
+
+    controller = module.get<PersonsController>(PersonsController);
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+  });
+});
diff --git a/packages/backend/src/persons/persons.controller.ts b/packages/backend/src/persons/persons.controller.ts
new file mode 100644
index 0000000..92b028d
--- /dev/null
+++ b/packages/backend/src/persons/persons.controller.ts
@@ -0,0 +1,34 @@
+import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
+import { PersonsService } from './persons.service';
+import { CreatePersonDto } from './dto/create-person.dto';
+import { UpdatePersonDto } from './dto/update-person.dto';
+
+@Controller('persons')
+export class PersonsController {
+  constructor(private readonly personsService: PersonsService) {}
+
+  @Post()
+  create(@Body() createPersonDto: CreatePersonDto) {
+    return this.personsService.create(createPersonDto);
+  }
+
+  @Get()
+  findAll() {
+    return this.personsService.findAll();
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.personsService.findOne(+id);
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() updatePersonDto: UpdatePersonDto) {
+    return this.personsService.update(+id, updatePersonDto);
+  }
+
+  @Delete(':id')
+  remove(@Param('id') id: string) {
+    return this.personsService.remove(+id);
+  }
+}
diff --git a/packages/backend/src/persons/persons.module.ts b/packages/backend/src/persons/persons.module.ts
new file mode 100644
index 0000000..28b1305
--- /dev/null
+++ b/packages/backend/src/persons/persons.module.ts
@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+import { PersonsService } from './persons.service';
+import { PersonsController } from './persons.controller';
+import { Person } from './entities/person.entity';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Person])],
+  controllers: [PersonsController],
+  providers: [PersonsService],
+})
+export class PersonsModule {}
diff --git a/packages/backend/src/persons/persons.service.spec.ts b/packages/backend/src/persons/persons.service.spec.ts
new file mode 100644
index 0000000..4c62447
--- /dev/null
+++ b/packages/backend/src/persons/persons.service.spec.ts
@@ -0,0 +1,18 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { PersonsService } from './persons.service';
+
+describe('PersonsService', () => {
+  let service: PersonsService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [PersonsService],
+    }).compile();
+
+    service = module.get<PersonsService>(PersonsService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});
diff --git a/packages/backend/src/persons/persons.service.ts b/packages/backend/src/persons/persons.service.ts
new file mode 100644
index 0000000..1e2c8cc
--- /dev/null
+++ b/packages/backend/src/persons/persons.service.ts
@@ -0,0 +1,26 @@
+import { Injectable } from '@nestjs/common';
+import { CreatePersonDto } from './dto/create-person.dto';
+import { UpdatePersonDto } from './dto/update-person.dto';
+
+@Injectable()
+export class PersonsService {
+  create(createPersonDto: CreatePersonDto) {
+    return 'This action adds a new person';
+  }
+
+  findAll() {
+    return `This action returns all persons`;
+  }
+
+  findOne(id: number) {
+    return `This action returns a #${id} person`;
+  }
+
+  update(id: number, updatePersonDto: UpdatePersonDto) {
+    return `This action updates a #${id} person`;
+  }
+
+  remove(id: number) {
+    return `This action removes a #${id} person`;
+  }
+}
diff --git a/packages/backend/src/users/entities/user.entity.ts b/packages/backend/src/users/entities/user.entity.ts
index d35be10..3f484ee 100644
--- a/packages/backend/src/users/entities/user.entity.ts
+++ b/packages/backend/src/users/entities/user.entity.ts
@@ -4,7 +4,10 @@ import {
   PrimaryGeneratedColumn,
   Column,
   CreateDateColumn,
+  ManyToMany,
+  JoinTable,
 } from 'typeorm';
+import { Person } from '../../persons/entities/person.entity';
 
 @Entity('utilisateurs')
 export class User implements IUser {
@@ -25,4 +28,8 @@ export class User implements IUser {
 
   @CreateDateColumn()
   dateCreation!: Date;
+
+  @ManyToMany(() => Person)
+  @JoinTable({ name: 'utilisateurs_personnes' })
+  personnesRattachees!: Person[];
 }
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
index 75c70a4..de8244e 100644
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -1 +1,2 @@
-export * from './users/user.interface';
\ No newline at end of file
+export * from './users/user.interface';
+export * from './persons/person.interface';
\ No newline at end of file
diff --git a/packages/shared/src/persons/person.interface.ts b/packages/shared/src/persons/person.interface.ts
new file mode 100644
index 0000000..52e5212
--- /dev/null
+++ b/packages/shared/src/persons/person.interface.ts
@@ -0,0 +1,19 @@
+
+/**
+ * Contrat pour les données envoyées lors de la création d'une personne
+ */
+export interface ICreatePersonneDTO {
+  numeroLicence: string;
+  nom: string;
+  prenom: string;
+  dateNaissance: string; // Format ISO: "YYYY-MM-DD"
+  surclasse?: boolean;
+  coach?: boolean;
+}
+
+/**
+ * Contrat pour les données renvoyées par l'API (profil public)
+ */
+export interface IPersonne extends ICreatePersonneDTO {
+  id: string;
+}
\ No newline at end of file