diff --git a/docs/generated/packages/angular/generators/library.json b/docs/generated/packages/angular/generators/library.json
index 003c2cba87..18cf21eb42 100644
--- a/docs/generated/packages/angular/generators/library.json
+++ b/docs/generated/packages/angular/generators/library.json
@@ -47,7 +47,8 @@
       "simpleName": {
         "description": "Don't include the directory in the name of the module or standalone component entry of the library.",
         "type": "boolean",
-        "default": false
+        "default": false,
+        "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
       },
       "addModuleSpec": {
         "description": "Add a module spec file.",
diff --git a/docs/generated/packages/js/generators/library.json b/docs/generated/packages/js/generators/library.json
index 1f15de9846..75cc00ac2c 100644
--- a/docs/generated/packages/js/generators/library.json
+++ b/docs/generated/packages/js/generators/library.json
@@ -130,7 +130,8 @@
       "simpleName": {
         "description": "Don't include the directory in the generated file name.",
         "type": "boolean",
-        "default": false
+        "default": false,
+        "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
       },
       "useProjectJson": {
         "type": "boolean",
diff --git a/docs/generated/packages/nest/generators/library.json b/docs/generated/packages/nest/generators/library.json
index 3e60336887..bff889b650 100644
--- a/docs/generated/packages/nest/generators/library.json
+++ b/docs/generated/packages/nest/generators/library.json
@@ -132,7 +132,8 @@
       "simpleName": {
         "description": "Don't include the directory in the name of the module of the library.",
         "type": "boolean",
-        "default": false
+        "default": false,
+        "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
       },
       "useProjectJson": {
         "type": "boolean",
diff --git a/docs/generated/packages/react/generators/library.json b/docs/generated/packages/react/generators/library.json
index 0bd0ea4e5d..d74531b1fd 100644
--- a/docs/generated/packages/react/generators/library.json
+++ b/docs/generated/packages/react/generators/library.json
@@ -183,7 +183,8 @@
       "simpleName": {
         "description": "Don't include the directory in the name of the module of the library.",
         "type": "boolean",
-        "default": false
+        "default": false,
+        "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
       },
       "useProjectJson": {
         "type": "boolean",
diff --git a/packages/angular/src/generators/library/library.ts b/packages/angular/src/generators/library/library.ts
index 95597c824a..ec0f960675 100644
--- a/packages/angular/src/generators/library/library.ts
+++ b/packages/angular/src/generators/library/library.ts
@@ -3,6 +3,7 @@ import {
   formatFiles,
   GeneratorCallback,
   installPackagesTask,
+  logger,
   runTasksInSerial,
   Tree,
 } from '@nx/devkit';
@@ -47,6 +48,13 @@ export async function libraryGenerator(
     );
   }
 
+  if (schema.simpleName !== undefined && schema.simpleName !== false) {
+    // TODO(v22): Remove simpleName as user should be using name.
+    logger.warn(
+      `The "--simpleName" option is deprecated and will be removed in Nx 22. Please use the "--name" option to provide the exact name you want for the library.`
+    );
+  }
+
   if (schema.addTailwind && !schema.buildable && !schema.publishable) {
     throw new Error(
       `To use "--addTailwind" option, you have to set either "--buildable" or "--publishable".`
diff --git a/packages/angular/src/generators/library/schema.json b/packages/angular/src/generators/library/schema.json
index 1a3fc4a809..66fe7918f6 100644
--- a/packages/angular/src/generators/library/schema.json
+++ b/packages/angular/src/generators/library/schema.json
@@ -47,7 +47,8 @@
     "simpleName": {
       "description": "Don't include the directory in the name of the module or standalone component entry of the library.",
       "type": "boolean",
-      "default": false
+      "default": false,
+      "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
     },
     "addModuleSpec": {
       "description": "Add a module spec file.",
diff --git a/packages/js/src/generators/library/library.ts b/packages/js/src/generators/library/library.ts
index afc2782508..74d592a311 100644
--- a/packages/js/src/generators/library/library.ts
+++ b/packages/js/src/generators/library/library.ts
@@ -7,6 +7,7 @@ import {
   GeneratorCallback,
   installPackagesTask,
   joinPathFragments,
+  logger,
   names,
   offsetFromRoot,
   ProjectConfiguration,
@@ -102,6 +103,13 @@ export async function libraryGeneratorInternal(
   );
   const options = await normalizeOptions(tree, schema);
 
+  if (schema.simpleName !== undefined && schema.simpleName !== false) {
+    // TODO(v22): Remove simpleName as user should be using name.
+    logger.warn(
+      `The "--simpleName" option is deprecated and will be removed in Nx 22. Please use the "--name" option to provide the exact name you want for the library.`
+    );
+  }
+
   createFiles(tree, options);
 
   await configureProject(tree, options);
diff --git a/packages/js/src/generators/library/schema.json b/packages/js/src/generators/library/schema.json
index f7242d1e7c..5ca5f820e1 100644
--- a/packages/js/src/generators/library/schema.json
+++ b/packages/js/src/generators/library/schema.json
@@ -130,7 +130,8 @@
     "simpleName": {
       "description": "Don't include the directory in the generated file name.",
       "type": "boolean",
-      "default": false
+      "default": false,
+      "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
     },
     "useProjectJson": {
       "type": "boolean",
diff --git a/packages/nest/src/generators/library/library.ts b/packages/nest/src/generators/library/library.ts
index 4d2be70f91..4ab7fdec07 100644
--- a/packages/nest/src/generators/library/library.ts
+++ b/packages/nest/src/generators/library/library.ts
@@ -2,6 +2,7 @@ import type { GeneratorCallback, Tree } from '@nx/devkit';
 import {
   formatFiles,
   joinPathFragments,
+  logger,
   readJson,
   runTasksInSerial,
   writeJson,
@@ -37,6 +38,14 @@ export async function libraryGeneratorInternal(
   rawOptions: LibraryGeneratorOptions
 ): Promise<GeneratorCallback> {
   const options = await normalizeOptions(tree, rawOptions);
+
+  if (rawOptions.simpleName !== undefined && rawOptions.simpleName !== false) {
+    // TODO(v22): Remove simpleName as user should be using name.
+    logger.warn(
+      `The "--simpleName" option is deprecated and will be removed in Nx 22. Please use the "--name" option to provide the exact name you want for the library.`
+    );
+  }
+
   const jsLibraryTask = await jsLibraryGenerator(
     tree,
     toJsLibraryGeneratorOptions(options)
diff --git a/packages/nest/src/generators/library/schema.json b/packages/nest/src/generators/library/schema.json
index 46cd20eb76..5093cf38aa 100644
--- a/packages/nest/src/generators/library/schema.json
+++ b/packages/nest/src/generators/library/schema.json
@@ -132,7 +132,8 @@
     "simpleName": {
       "description": "Don't include the directory in the name of the module of the library.",
       "type": "boolean",
-      "default": false
+      "default": false,
+      "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
     },
     "useProjectJson": {
       "type": "boolean",
diff --git a/packages/react/src/generators/library/library.ts b/packages/react/src/generators/library/library.ts
index f0168729b9..191fd52728 100644
--- a/packages/react/src/generators/library/library.ts
+++ b/packages/react/src/generators/library/library.ts
@@ -5,6 +5,7 @@ import {
   GeneratorCallback,
   installPackagesTask,
   joinPathFragments,
+  logger,
   readNxJson,
   readProjectConfiguration,
   runTasksInSerial,
@@ -73,6 +74,14 @@ export async function libraryGeneratorInternal(host: Tree, schema: Schema) {
       `For publishable libs you have to provide a proper "--importPath" which needs to be a valid npm package name (e.g. my-awesome-lib or @myorg/my-lib)`
     );
   }
+
+  if (schema.simpleName !== undefined && schema.simpleName !== false) {
+    // TODO(v22): Remove simpleName as user should be using name.
+    logger.warn(
+      `The "--simpleName" option is deprecated and will be removed in Nx 22. Please use the "--name" option to provide the exact name you want for the library.`
+    );
+  }
+
   if (!options.component) {
     options.style = 'none';
   }
diff --git a/packages/react/src/generators/library/schema.json b/packages/react/src/generators/library/schema.json
index 40ff84a432..9eb9076828 100644
--- a/packages/react/src/generators/library/schema.json
+++ b/packages/react/src/generators/library/schema.json
@@ -189,7 +189,8 @@
     "simpleName": {
       "description": "Don't include the directory in the name of the module of the library.",
       "type": "boolean",
-      "default": false
+      "default": false,
+      "x-deprecated": "Use the --name option to provide the exact name instead. This option will be removed in Nx 22."
     },
     "useProjectJson": {
       "type": "boolean",