Stuart Thomas Welch (born 15 November 1977) is an Australian former representative rower who won medals at his two Olympic games appearances.

New South Wales state representation first came for Welch in the 1996 youth eight who contested and won the Noel Wilkinson Trophy at the Interstate Regatta within the Australian Rowing Championships.

[3] Welch made his Australian representative debut still aged sixteen in the men's U23 eight who raced at the 1995 World Rowing U23 Championships in Groningen.

[5][4] At Sydney 2000 with Welch in the six seat, the Australian eight won their heat in a pace that blew away the eventual gold medallists Great Britain.

However in the final they started slowly and their late sprint home left them 0.8 seconds behind the Brits at the line, taking the silver Olympic medal in a thrilling finish.