Bagan Datuk (formerly Bagan Datok) is a federal constituency in Bagan Datuk District, Perak, Malaysia, that has been represented in the Dewan Rakyat since 1959.
The federal constituency was created from parts of the Telok Anson constituency in the 1958 redistribution and is mandated to return a single member to the Dewan Rakyat under the First-past-the-post voting system.
As of 2020, Bagan Datuk has a population of 76,495 people.
According to the federal gazette issued on 31 October 2022, the Bagan Datuk constituency is divided into 41 polling districts.