diff --git a/.changeset/cryptor-error-participant-identity.md b/.changeset/cryptor-error-participant-identity.md
new file mode 100644
index 0000000000..8a87ef4b8d
--- /dev/null
+++ b/.changeset/cryptor-error-participant-identity.md
@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Include participant identity in CryptoError errors
diff --git a/src/e2ee/errors.ts b/src/e2ee/errors.ts
index d20c78be67..5ef123d31a 100644
--- a/src/e2ee/errors.ts
+++ b/src/e2ee/errors.ts
@@ -9,8 +9,15 @@ export enum CryptorErrorReason {
 export class CryptorError extends LivekitError {
   reason: CryptorErrorReason;
 
-  constructor(message?: string, reason: CryptorErrorReason = CryptorErrorReason.InternalError) {
+  participantIdentity?: string;
+
+  constructor(
+    message?: string,
+    reason: CryptorErrorReason = CryptorErrorReason.InternalError,
+    participantIdentity?: string,
+  ) {
     super(40, message);
     this.reason = reason;
+    this.participantIdentity = participantIdentity;
   }
 }
diff --git a/src/e2ee/index.ts b/src/e2ee/index.ts
index 8958a64704..63d0426ec4 100644
--- a/src/e2ee/index.ts
+++ b/src/e2ee/index.ts
@@ -2,3 +2,4 @@ export * from './KeyProvider';
 export * from './utils';
 export * from './types';
 export * from './events';
+export * from './errors';
diff --git a/src/e2ee/worker/FrameCryptor.ts b/src/e2ee/worker/FrameCryptor.ts
index 693d7786c3..bc2d407621 100644
--- a/src/e2ee/worker/FrameCryptor.ts
+++ b/src/e2ee/worker/FrameCryptor.ts
@@ -183,7 +183,12 @@ export class FrameCryptor extends BaseFrameCryptor {
       .pipeTo(writable)
       .catch((e) => {
         workerLogger.warn(e);
-        this.emit(CryptorEvent.Error, e instanceof CryptorError ? e : new CryptorError(e.message));
+        this.emit(
+          CryptorEvent.Error,
+          e instanceof CryptorError
+            ? e
+            : new CryptorError(e.message, undefined, this.participantIdentity),
+        );
       });
     this.trackId = trackId;
   }
@@ -297,7 +302,11 @@ export class FrameCryptor extends BaseFrameCryptor {
       workerLogger.debug('failed to decrypt, emitting error', this.logContext);
       this.emit(
         CryptorEvent.Error,
-        new CryptorError(`encryption key missing for encoding`, CryptorErrorReason.MissingKey),
+        new CryptorError(
+          `encryption key missing for encoding`,
+          CryptorErrorReason.MissingKey,
+          this.participantIdentity,
+        ),
       );
     }
   }
@@ -367,6 +376,7 @@ export class FrameCryptor extends BaseFrameCryptor {
         new CryptorError(
           `missing key at index ${keyIndex} for participant ${this.participantIdentity}`,
           CryptorErrorReason.MissingKey,
+          this.participantIdentity,
         ),
       );
     }
@@ -487,12 +497,14 @@ export class FrameCryptor extends BaseFrameCryptor {
           throw new CryptorError(
             `valid key missing for participant ${this.participantIdentity}`,
             CryptorErrorReason.InvalidKey,
+            this.participantIdentity,
           );
         }
       } else {
         throw new CryptorError(
           `Decryption failed: ${error.message}`,
           CryptorErrorReason.InvalidKey,
+          this.participantIdentity,
         );
       }
     }