Conrad Trubenbach (November 4, 1882 – June 30, 1961) was an American swimmer. He competed in two events at the 1908 Summer Olympics: Men's 100 metres freestyle and Men's 400 meter Freestyle. In 1905, Trubenback was the IC4A swim champion at Columbia University. From 1905-1910, he played for the New York AC water polo team. Trubenbach later became President of the Perey Turnstile Company in New York.