Sam Welsford (born 19 January 1996) is an Australian professional racing cyclist. Welsford qualified for the Tokyo 2020 Olympics and was part of the Men's team pursuit together with Kelland O'Brien, Leigh Howard and Alexander Porter. They secured a bronze medal after overlapping New Zealand who had crashed. Welsford also competed in the Men's Madison where the team finished fifth with a time of 3:48.448 and therefore did not qualify for the final.