利昂娜·米切尔，Leona Mitchell (born October 13, 1949, Enid, Oklahoma) is an American operatic soprano and an Oklahoma Music Hall of Fame inductee. She is also a Grammy Award-winning soprano who sang for 18 seasons as a leading spinto soprano at the Metropolitan Opera in New York.In her home state of Oklahoma, Ms Mitchell has been awarded many honors. These include the Oklahoma Hall of Fame, the Oklahoma Music Hall of Fame, the Oklahoma Women's Hall of Fame and the Oklahoma Jazz Hall of Fame. Her home town of Enid has a street named after her called Leona Mitchell Boulevard, as well as a Museum named in her honor called "The Leona Mitchell Southern Heights Heritage Center and Museum".Governor Brad Henry of Oklahoma made her Oklahoma's State Cultural Ambassador. In late 2014, Miss Mitchell was inducted into the Oklahoma African-American Hall of Fame.