Dato' Haji Osman bin Sapian (Jawi: عثمان بن سفيان; 25 December 1951 – 21 December 2021) was a Malaysian politician who served as the 16th Menteri Besar of Johor from May 2018 to his resignation in April 2019. He served as Member of the Johor State Legislative Assembly (MLA) for Kempas twice from November 1999 to May 2013 and from May 2018 to his death in December 2021. He was a member of the Malaysian United Indigenous Party (BERSATU), a component party of the ruling Perikatan Nasional (PN) coalition.