Blanche Calloway (February 9, 1902 – December 16, 1978) was an African-American jazz singer, composer, and bandleader. She was the older sister of Cab Calloway, and was a successful singer before her brother. With a music career that spanned over fifty years, Calloway was the first woman to lead an all-male orchestra and performed alongside musicians such as Cozy Cole, Chick Webb, and her own brother.