William Cosmo Monkhouse (18 March 1840 – 20 July 1901) was a British poet and critic.

Monkhouse is a surname. Notable people with the surname include:

Frederick Joseph Monkhouse (10 June 1871 – 18 September 1946) was an Australian rules footballer who played with South Melbourne in the Victorian Football League (VFL).

Steven Monkhouse (born 24 November 1962) is a former English cricketer. Monkhouse was a right-handed batsman who bowled left-arm fast-medium. He was born in Bury, Lancashire.