Zainal Abidin (also spelled Zeynel Abidin or Zeynelabidin) may refer to:
- Zainal Abidin Ahmad (politician), Malaysian politician
- Zainal Abidin Ahmad (writer), Malaysian writer
- Zainal Abidin Hassan, Malaysian footballer
- Zainal Abidin III of Terengganu, Monarch of Terengganu
- Zayn al-Abidin, great-grandson of Muhammad
- Zeynel Abidin Erdem, Turkish business tycoon
- Zeynelabidin Zinar, Kurdish writer and researcher