Zayn al-Abidin
- Ali al-Sajjad
- Avul Pakir Jainulabdeen Abdul Kalam
- Zain (disambiguation)
- Zainal (disambiguation)
- Zainal Abidin (disambiguation)
- Zainul (disambiguation)
- Zainul Abedin
- Zainul Abedin (politician)
- Zainul Abidin (politician)
- Zainul Abidin of Aceh
- Zainulabedin Gulamhusain Rangoonwala
- Zainulabedin Ismail Hamdulay
- Zayn (disambiguation)
- Zayn al-Abidin the Great
- Zaynu'l-Muqarrabín