Khanapur Assembly seat is one of the 224 assembly constituencies in the state of Karnataka in India.

It is one of the eight constituencies which make up Uttara Kannada Lok Sabha constituency.

It has been a stronghold of Maharashtra Ekikaran Samiti (MES) whose candidates tend to contest as independents because it is not officially recognized as a party.

In 1962, MES contested the election under its own official name.