Mansor bin Abd Rahman is a Malaysian politician and medical doctor who served as the Member of Parliament (MP) for Sik from May 2013 to May 2018. He is a member of the United Malays National Organisation (UMNO), a component party of the Barisan Nasional (BN) coalition.
A medical doctor by profession, Mansor entered Parliament at the 2013 election. At the time of his election he was the deputy chief of UMNO's Sik division. He defeated the incumbent Pan-Malaysian Islamic Party (PAS) MP, Che Uda Che Nik.
In the 2018 election, Mansor lost to of PAS, in a three-corner fight with Azli Che Uda of Parti Amanah Negara (AMANAH) for the Sik parliamentary seat.