Mark Edward Waugh AM is an Australian cricket commentator and former international cricketer, who represented Australia in Test matches from early 1991 to late 2002, after previously making his One Day International (ODI) debut in 1988. Waugh was a part of the Australian team that won the 1999 Cricket World Cup.

Waugh is younger than his twin brother Steve Waugh by a few minutes. Dean Waugh, another of Mark's brothers, is also a cricketer, having played both first-class and List A cricket in Australia for New South Wales. His nephew and Steve's son, Austin Waugh, was selected in the Australian under-19 team. He was previously a national selector, holding that position until August 2018. On 15 May 2018, he announced his intentions to swap national selector duties for a TV commentating role with Fox Sports.