William Osborne "Billy" Kyle (July 14, 1914 - February 23, 1966) was an American jazz pianist. Kyle was born in Philadelphia, Pennsylvania. He began playing the piano in school and by the early 1930s worked with Lucky Millinder, and later the Mills Blue Rhythm Band. In 1938, he joined John Kirby's band, but was drafted in 1942. After the war, he worked with Kirby's band briefly and also worked with Sy Oliver.