Zayn al-Abidin
Zayn al-Abidin may refer to:
- Ali al-Sajjad, also known by as Zayn al-Abidin, was the fourth imam in Shia Islam
- Zain al-Abidin (Muzaffarid) (ruled 1384-1387)
- Zayn al-Abidin the Great (1395–1470), ninth sultan of Kashmir who ruled from 1418 to 1419 and then from 1420 to 1470
- Zainul Abidin of Aceh (died 1579), sultan of Aceh in northern Sumatra
- Zaynul-ʻÁbidín (1818−1903) Iranian Baháʼí.
- Zainul Abidin (politician) (born 1948), Singaporean diplomat, politician and journalist
- Zainul Abedin (1914–1976), Bangladeshi painter
- Zainul Abedin (politician) (c. 1944–2014), Bangladeshi politician
- Zainulabedin Gulamhusain Rangoonwala (1913–1994), Indian businessman
- Avul Pakir Jainulabdeen Abdul Kalam (1931–2015), 11th President of India
- Zainulabedin Ismail Hamdulay (born 1970), Indian cardiac surgeon
- Md. Joynul Abedin, Bangladeshi Supreme Court justice