The Menteri Besar of Selangor, also referred to as the First Minister of Selangor and officially known as Yang Amat Berhormat Dato’ Menteri Besar Selangor is the head of government in the Malaysian state of Selangor. The Menteri Besar acts as a majority leader in the Selangor Assembly. According to convention, the Menteri Besar is the leader of the majority party or largest coalition party of the Selangor State Legislative Assembly.

The Selangor State Legislative Assembly is the unicameral state legislature of the Malaysian state of Selangor. The State Assembly is composed of 56 members representing single-member constituencies throughout the state. Elections are held no more than five years apart, and by Malaysian political convention, are conducted simultaneously with elections to the federal parliament and other state assemblies.