Lloyd Nelson Trotman (May 25, 1923 – October 3, 2007), born in Boston, Massachusetts, United States, was an American jazz bassist, who backed numerous jazz, dixieland, R&B, and rock and roll artists in the 1940s, 1950s and 1960s. He resided in Huntington, Long Island, New York between 1962 and 2007, and prior to that in East Elmhurst, Queens, New York from 1945 to 1962. He worked primarily out of New York City. He provided the bass line on Ben E. King's "Stand by Me".