George Kleinsinger (February 13, 1914, San Bernardino, California – July 28, 1982, New York City, New York) was an American composer. His works include his collaboration with Paul Tripp on the 1940s children's classical-music piece "Tubby the Tuba". He also wrote the music for the phonograph record Archy & Mehitabel and the Broadway musical Shinbone Alley, based on the record. For the last 25 years of his life, he was a resident at New York's famous Chelsea Hotel.