Frederick Petre Crowder, QC (18 July 1919 – 16 February 1999) was a British Conservative Member of Parliament and barrister. Crowder was the son of Sir John Crowder, a Conservative Member of Parliament and predecessor as MP for Finchley of Margaret Thatcher. He was educated at Eton College and Christ Church, Oxford just as his father was before him. He served in the Coldstream Guards from 1939, in North Africa, Italy and Burma, attaining the rank of Major. He became a barrister, called by Inner Temple in 1948. He was appointed Recorder of Gravesend in 1960, chairman of the Hertfordshire Quarter sessions in 1963 and became Queen's Counsel in 1964.