Zainab Khan is a character from the BBC soap opera EastEnders, played by Nina Wadia. She made her first appearance on 16 July 2007. Zainab is the mother of Syed, Shabnam, Tamwar and Kamil Masood. She is the wife of Masood Ahmed, who divorces her, and of Yusef Khan, who she remarries after a divorce decades earlier, and who abuses her. Wadia quit her role in 2012 and departed the series in the episode shown on 8 February 2013.

Nina Wadia is an English actress and comedian. She is known for portraying Zainab Masood in the BBC soap opera EastEnders, Aunty Noor in Citizen Khan, Mrs Hussein in the BBC comedy Still Open All Hours and for starring in the BBC Two sketch show Goodness Gracious Me.