Liam Kavanagh (9 February 1935 – 13 December 2021) was an Irish Labour Party politician.

He remained in the Dáil until he lost his seat at the 1997 general election.

Kavanagh also served as a member of the British–Irish Parliamentary Assembly from 1990 to 1997 and of the Semi-State Bodies Commission from 1987 to 1997, being chairman from 1995 to 1997.

He was appointed to the Standards in Public Office Commission on its establishment in December 2001.

Kavanagh was the nephew of James Everett, a former Labour Party cabinet minister.