Johnny O'Neal (born October 10, 1956 in Detroit, Michigan) is an American neo-bop jazz pianist and vocalist.

In Birmingham he worked with local jazz musicians, such as Jerry Grundhofer, Dave Amaral, Cleveland Eaton, and Ray Reach.

He moved to New York City to perform with Clark Terry in 1981, and also landed a regular job at the Blue Note, accompanying such musicians as Dizzy Gillespie, Ray Brown, Nancy Wilson, Joe Pass and Kenny Burrell.

He was a member of Art Blakey and the Jazz Messengers for two years from 1982 to 1983 and made his Carnegie Hall debut in 1985.

"[citation needed] On June 10 and 11, 2016 O'Neal was featured in "Lush Life: Celebrating Billy Strayhorn," performing with the Jazz at Lincoln Center Orchestra.