John William Mackel (December 28, 1912 – May 5, 1986) was an American jazz guitarist.

Billy Mackel
Billy Mackel, c. 1953
Background information
Birth name	John William Mackel
Born	(1912-12-28)December 28, 1912 Baltimore, Maryland, U.S.
Died	May 5, 1986(1986-05-05) (aged 73)
Genres	Jazz
Occupation(s)	Musician
Instrument(s)	Guitar, banjo
Years active	1944–1986

Mackel was born in Baltimore, Maryland. He played banjo early in his career, but like many banjoists of his time he switched to guitar. He led his own band early in the 1940s, then joined Lionel Hampton in 1944 and spent the next thirty years with him.^[1] In the 1940s he also recorded with Milt Buckner, Arnett Cobb, Herbie Fields, and others, and worked with Billy Williams in the 1960s. He played left-handed.^[2]