Muhaini binti Zainal Abidin (Jawi: مهيني بنت زين العابدين; born 12 November 1961) is a Malaysian who is the wife of Ismail Sabri Yaakob, the 9th Prime Minister of Malaysia from August 2021 to November 2022 and 13th Deputy Prime Minister of Malaysia from July 2021 to August 2021.