This is a list of cricket umpires who have officiated at least one One Day International (ODI) match. As of July 2021, 409 umpires have officiated in an ODI match. The first ODI match took place on 5 January 1971 between Australia and England at the Melbourne Cricket Ground. The umpires for this game were Tom Brooks and Lou Rowan. In April 2019, Claire Polosak became the first woman to stand in men's ODI match, when she was one of the on-field umpires for the final of the 2019 ICC World Cricket League Division Two tournament. Three umpires, Rudi Koertzen of South Africa, Billy Bowden of New Zealand and Aleem Dar of Pakistan, have officiated in 200 or more ODI matches.