diff --git a/.changeset/dirty-wasps-draw.md b/.changeset/dirty-wasps-draw.md
new file mode 100644
index 0000000000..5686191cab
--- /dev/null
+++ b/.changeset/dirty-wasps-draw.md
@@ -0,0 +1,5 @@
+---
+'@backstage/errors': patch
+---
+
+Set `this.name` in all error classes that extend `CustomErrorBase` class to their actual name
diff --git a/packages/errors/api-report.md b/packages/errors/api-report.md
index 0d405d8ba6..3ece63035b 100644
--- a/packages/errors/api-report.md
+++ b/packages/errors/api-report.md
@@ -9,10 +9,16 @@ import { JsonObject } from '@backstage/types';
 export function assertError(value: unknown): asserts value is ErrorLike;
 
 // @public
-export class AuthenticationError extends CustomErrorBase {}
+export class AuthenticationError extends CustomErrorBase {
+  // (undocumented)
+  name: 'AuthenticationError';
+}
 
 // @public
-export class ConflictError extends CustomErrorBase {}
+export class ConflictError extends CustomErrorBase {
+  // (undocumented)
+  name: 'ConflictError';
+}
 
 // @public
 export type ConsumedResponse = {
@@ -73,22 +79,37 @@ export class ForwardedError extends CustomErrorBase {
 }
 
 // @public
-export class InputError extends CustomErrorBase {}
+export class InputError extends CustomErrorBase {
+  // (undocumented)
+  name: 'InputError';
+}
 
 // @public
 export function isError(value: unknown): value is ErrorLike;
 
 // @public
-export class NotAllowedError extends CustomErrorBase {}
+export class NotAllowedError extends CustomErrorBase {
+  // (undocumented)
+  name: 'NotAllowedError';
+}
 
 // @public
-export class NotFoundError extends CustomErrorBase {}
+export class NotFoundError extends CustomErrorBase {
+  // (undocumented)
+  name: 'NotFoundError';
+}
 
 // @public
-export class NotImplementedError extends CustomErrorBase {}
+export class NotImplementedError extends CustomErrorBase {
+  // (undocumented)
+  name: 'NotImplementedError';
+}
 
 // @public
-export class NotModifiedError extends CustomErrorBase {}
+export class NotModifiedError extends CustomErrorBase {
+  // (undocumented)
+  name: 'NotModifiedError';
+}
 
 // @public
 export function parseErrorResponseBody(
diff --git a/packages/errors/src/errors/CustomErrorBase.ts b/packages/errors/src/errors/CustomErrorBase.ts
index b831d4eea3..ea9c91f173 100644
--- a/packages/errors/src/errors/CustomErrorBase.ts
+++ b/packages/errors/src/errors/CustomErrorBase.ts
@@ -22,8 +22,11 @@ import { isError } from './assertion';
  *
  * @public
  * @example
- *```ts
- * class MyCustomError extends CustomErrorBase {}
+ *
+ * ```ts
+ * class MyCustomError extends CustomErrorBase {
+ *  name = 'MyCustomError' as const;
+ * }
  *
  * const e = new MyCustomError('Some message', cause);
  * // e.name === 'MyCustomError'
@@ -53,7 +56,13 @@ export class CustomErrorBase extends Error {
 
     Error.captureStackTrace?.(this, this.constructor);
 
-    this.name = this.constructor.name;
+    if (!this.name || this.name === 'Error') {
+      const baseName = this.constructor.name;
+      if (baseName !== 'Error') {
+        this.name = this.constructor.name;
+      }
+    }
+
     this.cause = isError(cause) ? cause : undefined;
   }
 }
diff --git a/packages/errors/src/errors/common.ts b/packages/errors/src/errors/common.ts
index a2ea20e99f..861c3a7c3a 100644
--- a/packages/errors/src/errors/common.ts
+++ b/packages/errors/src/errors/common.ts
@@ -33,21 +33,27 @@ import { CustomErrorBase } from './CustomErrorBase';
  *
  * @public
  */
-export class InputError extends CustomErrorBase {}
+export class InputError extends CustomErrorBase {
+  name = 'InputError' as const;
+}
 
 /**
  * The request requires authentication, which was not properly supplied.
  *
  * @public
  */
-export class AuthenticationError extends CustomErrorBase {}
+export class AuthenticationError extends CustomErrorBase {
+  name = 'AuthenticationError' as const;
+}
 
 /**
  * The authenticated caller is not allowed to perform this request.
  *
  * @public
  */
-export class NotAllowedError extends CustomErrorBase {}
+export class NotAllowedError extends CustomErrorBase {
+  name = 'NotAllowedError' as const;
+}
 
 /**
  * The requested resource could not be found.
@@ -57,7 +63,9 @@ export class NotAllowedError extends CustomErrorBase {}
  *
  * @public
  */
-export class NotFoundError extends CustomErrorBase {}
+export class NotFoundError extends CustomErrorBase {
+  name = 'NotFoundError' as const;
+}
 
 /**
  * The request could not complete due to a conflict in the current state of the
@@ -65,21 +73,27 @@ export class NotFoundError extends CustomErrorBase {}
  *
  * @public
  */
-export class ConflictError extends CustomErrorBase {}
+export class ConflictError extends CustomErrorBase {
+  name = 'ConflictError' as const;
+}
 
 /**
  * The requested resource has not changed since last request.
  *
  * @public
  */
-export class NotModifiedError extends CustomErrorBase {}
+export class NotModifiedError extends CustomErrorBase {
+  name = 'NotModifiedError' as const;
+}
 
 /**
  * The server does not support the functionality required to fulfill the request.
  *
  * @public
  */
-export class NotImplementedError extends CustomErrorBase {}
+export class NotImplementedError extends CustomErrorBase {
+  name = 'NotImplementedError' as const;
+}
 
 /**
  * The server is not ready to handle the request.