Steve Weingart, born March 1966 in Dayton, Ohio, is a jazz-funk keyboard player based in Los Angeles, California, USA, who has recorded and performed internationally with an array of well known musical artists.

Amongst many other well-known musicians, Weingart has performed live and/or recorded with Chaka Khan, Steve Lukather, Frank Gambale, Robben Ford, Scott Henderson, Warren Hill, Simon Phillips, Tony MacAlpine, Virgil Donati, Marco Mendoza, Dave Weckl, Eric Marienthal, Kenny Rankin, Jimmy Earl, Ernie Watts, Alain Caron, Michael Ruff, Marilyn Scott, Jimmy Haslip, Terri Lyne Carrington, Jason Scheff, Keith Howland, Tris Imboden, John Patitucci, Bunny Brunel, Tom Brechtlein, Carlitos Del Puerto, Ray Parker Jr., Jeff Babko, Frank Briggs, Ric Fierabracci, Joey Heredia, Oskar Cartaya, Dave Hooper, Ronnie Guitterez, and Mike Miller (guitarist).