Frederick Seymour Cocks, CBE (25 October 1882 – 29 May 1953) was a British Labour MP.

After World War II, it was revealed that he had been placed on the 'Special Search List G.B' of prominent subjects to be arrested by the Nazis had they succeeded in invading Britain.

He was the author of a biography of fellow Labour Party member E. D. Morel, E.D.

Cocks remained as the MP for Broxtowe until his death in Hendon in 1953, aged 70.

This article about a Labour Party member of Parliament representing an English constituency is a stub.