diff --git a/backend/src/bundles/auth/auth.controller.ts b/backend/src/bundles/auth/auth.controller.ts
index eaf4bb7a3..324870b15 100644
--- a/backend/src/bundles/auth/auth.controller.ts
+++ b/backend/src/bundles/auth/auth.controller.ts
@@ -120,6 +120,8 @@ class AuthController extends BaseController {
      *                  format: email
      *                password:
      *                  type: string
+     *                fullName:
+     *                  type: string
      *      responses:
      *        201:
      *          description: Successful operation
@@ -131,6 +133,13 @@ class AuthController extends BaseController {
      *                  message:
      *                    type: object
      *                    $ref: '#/components/schemas/User'
+     *        400:
+     *          description: Failed operation
+     *          content:
+     *            application/json:
+     *              schema:
+     *                  type: object
+     *                  $ref: '#/components/schemas/Error'
      */
 
     private async signUp(
diff --git a/backend/src/bundles/auth/auth.service.ts b/backend/src/bundles/auth/auth.service.ts
index fabf0d934..1372f1a8d 100644
--- a/backend/src/bundles/auth/auth.service.ts
+++ b/backend/src/bundles/auth/auth.service.ts
@@ -49,9 +49,17 @@ class AuthService {
         return user.toObject();
     }
 
-    public signUp(
+    public async signUp(
         userRequestDto: UserSignUpRequestDto,
     ): Promise<UserSignUpResponseDto> {
+        const { email } = userRequestDto;
+        const emailExists = await this.userService.findByEmail(email);
+        if (emailExists) {
+            throw new HttpError({
+                message: UserValidationMessage.EMAIL_ALREADY_EXISTS,
+                status: HttpCode.BAD_REQUEST,
+            });
+        }
         return this.userService.create(userRequestDto);
     }
 }
diff --git a/backend/src/bundles/users/user.entity.ts b/backend/src/bundles/users/user.entity.ts
index 5a6f4a929..0d2f01e9b 100644
--- a/backend/src/bundles/users/user.entity.ts
+++ b/backend/src/bundles/users/user.entity.ts
@@ -5,6 +5,8 @@ class UserEntity implements Entity {
 
     private 'email': string;
 
+    private 'fullName': string;
+
     private 'passwordHash': string;
 
     private 'passwordSalt': string;
@@ -12,16 +14,19 @@ class UserEntity implements Entity {
     private constructor({
         id,
         email,
+        fullName,
         passwordHash,
         passwordSalt,
     }: {
         id: number | null;
         email: string;
+        fullName: string;
         passwordHash: string;
         passwordSalt: string;
     }) {
         this.id = id;
         this.email = email;
+        this.fullName = fullName;
         this.passwordHash = passwordHash;
         this.passwordSalt = passwordSalt;
     }
@@ -29,17 +34,20 @@ class UserEntity implements Entity {
     public static initialize({
         id,
         email,
+        fullName,
         passwordHash,
         passwordSalt,
     }: {
         id: number;
         email: string;
+        fullName: string;
         passwordHash: string;
         passwordSalt: string;
     }): UserEntity {
         return new UserEntity({
             id,
             email,
+            fullName,
             passwordHash,
             passwordSalt,
         });
@@ -47,16 +55,19 @@ class UserEntity implements Entity {
 
     public static initializeNew({
         email,
+        fullName,
         passwordHash,
         passwordSalt,
     }: {
         email: string;
+        fullName: string;
         passwordHash: string;
         passwordSalt: string;
     }): UserEntity {
         return new UserEntity({
             id: null,
             email,
+            fullName,
             passwordHash,
             passwordSalt,
         });
@@ -65,20 +76,24 @@ class UserEntity implements Entity {
     public toObject(): {
         id: number;
         email: string;
+        fullName: string;
     } {
         return {
             id: this.id as number,
             email: this.email,
+            fullName: this.fullName,
         };
     }
 
     public toNewObject(): {
         email: string;
+        fullName: string;
         passwordHash: string;
         passwordSalt: string;
     } {
         return {
             email: this.email,
+            fullName: this.fullName,
             passwordHash: this.passwordHash,
             passwordSalt: this.passwordSalt,
         };
diff --git a/backend/src/bundles/users/user.model.ts b/backend/src/bundles/users/user.model.ts
index f46dd5f46..32d23b7dd 100644
--- a/backend/src/bundles/users/user.model.ts
+++ b/backend/src/bundles/users/user.model.ts
@@ -6,6 +6,8 @@ import {
 class UserModel extends AbstractModel {
     public 'email': string;
 
+    public 'fullName': string;
+
     public 'passwordHash': string;
 
     public 'passwordSalt': string;
diff --git a/backend/src/bundles/users/user.repository.ts b/backend/src/bundles/users/user.repository.ts
index b4d6110d8..af68505e8 100644
--- a/backend/src/bundles/users/user.repository.ts
+++ b/backend/src/bundles/users/user.repository.ts
@@ -26,12 +26,14 @@ class UserRepository implements Repository {
     }
 
     public async create(entity: UserEntity): Promise<UserEntity> {
-        const { email, passwordSalt, passwordHash } = entity.toNewObject();
+        const { email, fullName, passwordSalt, passwordHash } =
+            entity.toNewObject();
 
         const item = await this.userModel
             .query()
             .insert({
                 email,
+                fullName,
                 passwordSalt,
                 passwordHash,
             })
diff --git a/backend/src/bundles/users/user.service.ts b/backend/src/bundles/users/user.service.ts
index 778c8f95f..b55b0c301 100644
--- a/backend/src/bundles/users/user.service.ts
+++ b/backend/src/bundles/users/user.service.ts
@@ -39,8 +39,9 @@ class UserService implements Service {
         const user = await this.userRepository.create(
             UserEntity.initializeNew({
                 email: payload.email,
-                passwordSalt: salt, // TODO
-                passwordHash: hash, // TODO
+                fullName: payload.fullName,
+                passwordSalt: salt,
+                passwordHash: hash,
             }),
         );
 
diff --git a/backend/src/migrations/20240820093010_add_name_field_to_users_table.ts b/backend/src/migrations/20240820093010_add_name_field_to_users_table.ts
new file mode 100644
index 000000000..22749b59e
--- /dev/null
+++ b/backend/src/migrations/20240820093010_add_name_field_to_users_table.ts
@@ -0,0 +1,17 @@
+import { type Knex } from 'knex';
+
+const TABLE_NAME = 'users';
+
+async function up(knex: Knex): Promise<void> {
+    await knex.schema.table(TABLE_NAME, (table) => {
+        table.string('full_name').notNullable();
+    });
+}
+
+async function down(knex: Knex): Promise<void> {
+    await knex.schema.table(TABLE_NAME, (table) => {
+        table.dropColumn('full_name');
+    });
+}
+
+export { down, up };
diff --git a/frontend/src/bundles/auth/components/sign-up-form/constants/constants.ts b/frontend/src/bundles/auth/components/sign-up-form/constants/constants.ts
index bee02e2d4..d2168f79b 100644
--- a/frontend/src/bundles/auth/components/sign-up-form/constants/constants.ts
+++ b/frontend/src/bundles/auth/components/sign-up-form/constants/constants.ts
@@ -1,7 +1,7 @@
 import { type UserSignUpRequestDto } from '~/bundles/users/users.js';
 
 const DEFAULT_SIGN_UP_PAYLOAD: UserSignUpRequestDto = {
-    name: '',
+    fullName: '',
     email: '',
     password: '',
     confirmPassword: '',
diff --git a/frontend/src/bundles/auth/components/sign-up-form/sign-up-form.tsx b/frontend/src/bundles/auth/components/sign-up-form/sign-up-form.tsx
index 2d58981e3..d1d7b74ad 100644
--- a/frontend/src/bundles/auth/components/sign-up-form/sign-up-form.tsx
+++ b/frontend/src/bundles/auth/components/sign-up-form/sign-up-form.tsx
@@ -63,7 +63,7 @@ const SignUpForm: React.FC<Properties> = ({ onSubmit }) => {
                             type="text"
                             label="Full Name"
                             placeholder="Name"
-                            name="name"
+                            name="fullName"
                             required
                         />
                         <Input
diff --git a/shared/src/bundles/users/enums/user-validation-message.enum.ts b/shared/src/bundles/users/enums/user-validation-message.enum.ts
index ad735094d..325a99951 100644
--- a/shared/src/bundles/users/enums/user-validation-message.enum.ts
+++ b/shared/src/bundles/users/enums/user-validation-message.enum.ts
@@ -3,12 +3,14 @@ const UserValidationMessage = {
     EMAIL_WRONG: 'Email is wrong',
     FIELD_REQUIRE: 'Please fill out this field',
     EMAIL_INVALID: 'Please enter a valid email',
+    EMAIL_ALREADY_EXISTS: 'Email already exists',
     PASSWORD_LENGTH: 'Password must have from 6 to 12 characters',
     PASS_DONT_MATCH: 'Passwords must be identical',
     INVALID_DATA: 'Incorrect email or password. Please try again.',
     WRONG_CREDENTIALS: 'Email or password are incorrect',
     USER_IS_NOT_AVAILABLE:
         'User with this email already exists. Log in if it is you',
+    FULL_NAME_INVALID: 'Name must have at least two words',
 } as const;
 
 export { UserValidationMessage };
diff --git a/shared/src/bundles/users/types/user-sign-up-request-dto.type.ts b/shared/src/bundles/users/types/user-sign-up-request-dto.type.ts
index f2d1cf7c0..3b611d2b6 100644
--- a/shared/src/bundles/users/types/user-sign-up-request-dto.type.ts
+++ b/shared/src/bundles/users/types/user-sign-up-request-dto.type.ts
@@ -1,5 +1,5 @@
 type UserSignUpRequestDto = {
-    name: string;
+    fullName: string;
     email: string;
     password: string;
     confirmPassword: string;
diff --git a/shared/src/bundles/users/types/user-sign-up-response-dto.type.ts b/shared/src/bundles/users/types/user-sign-up-response-dto.type.ts
index 624114d52..ee15fdaf8 100644
--- a/shared/src/bundles/users/types/user-sign-up-response-dto.type.ts
+++ b/shared/src/bundles/users/types/user-sign-up-response-dto.type.ts
@@ -1,5 +1,6 @@
 type UserSignUpResponseDto = {
     id: number;
+    fullName: string;
     email: string;
 };
 
diff --git a/shared/src/bundles/users/validation-schemas/user-sign-up.validation-schema.ts b/shared/src/bundles/users/validation-schemas/user-sign-up.validation-schema.ts
index 72a886780..dbd71ea5a 100644
--- a/shared/src/bundles/users/validation-schemas/user-sign-up.validation-schema.ts
+++ b/shared/src/bundles/users/validation-schemas/user-sign-up.validation-schema.ts
@@ -3,7 +3,7 @@ import { z } from 'zod';
 import { UserValidationMessage, UserValidationRule } from '../enums/enums.js';
 
 type UserSignUpRequestValidationDto = {
-    name: z.ZodString;
+    fullName: z.ZodString;
     email: z.ZodString;
     password: z.ZodString;
     confirmPassword: z.ZodString;
@@ -11,7 +11,7 @@ type UserSignUpRequestValidationDto = {
 
 const userSignUp = z
     .object<UserSignUpRequestValidationDto>({
-        name: z
+        fullName: z
             .string({ required_error: UserValidationMessage.FIELD_REQUIRE })
             .trim(),
         email: z
@@ -46,6 +46,10 @@ const userSignUp = z
             }),
     })
     .required()
+    .refine((data) => data.fullName.split(/\s+/).length >= 2, {
+        message: UserValidationMessage.FULL_NAME_INVALID,
+        path: ['name'],
+    })
     .refine((data) => data.password === data.confirmPassword, {
         message: UserValidationMessage.PASS_DONT_MATCH,
         path: ['confirmPassword'],