Charles Edward Swain (16 January 1885 – 9 February 1974) was an Australian athlete.
He competed in the 1908 Summer Olympics in London on the Australasia team, a combined squad of competitors from Australia and New Zealand.Born in Brisbane, Swain participated in the 1500 metres at the 1908 Summer Olympics held in London, he was drawn in a heat with five other runners, but unfortunately Swain was one of the four athletes who didn't finish the race so didn't qualify for the final.Swain was a member of the Toowong Harriers in Brisbane, and his best race at the National Track and Field events came in the 1909-10 season when he was runner-up in the 880 yard race.