Pancho "Segoo" Segura (born Francisco Olegario Segura on June 20, 1921) is a former leading tennis player of the 1940s and 1950s, both as an amateur and as a professional. In 1950 and 1952, as a professional, he was the World Co-No. 1 player. He was born in Guayaquil, Ecuador, but moved to the United States in the late 1930s and is a citizen of both countries. He is the only player to have won the US Pro title on three different surfaces (which he did consecutively from 1950–1952).