Ernest Leroy Nocho (January 14, 1919 – September 4, 1997), better known by his stage name Lobo Nocho, was an emigré jazz singer and painter in Europe. A former United States citizen, he settled in Europe after serving in World War II, and renounced his citizenship in 1950 to become a French citizen. He was later widely noted for his romantic links to Winston Churchill's daughter Sarah Churchill.