Paul Ukena (August 19, 1921, Lakota, Iowa - March 10, 1991, Flemington, New Jersey) was an American operatic baritone and musical theatre actor who had an active career from the 1940s through the 1970s. After beginning his career entertaining American troops as a part of the Special Services during World War II, his first critical success was as the baritone soloist in the American premiere of Frederick Delius's Requiem in 1950. He was one of the founding members of the NBC Opera Theatre, a company he performed with throughout the 1950s in such productions as Benjamin Britten's Billy Budd and the world premiere of Norman Dello Joio's The Trial at Rouen.