Lawrence Roger Fast (born December 10, 1951) is an American synthesizer player and composer. He is best known for his 1975–1987 series of synthesizer music albums (Synergy) and for his contributions to a number of popular music acts, including Peter Gabriel, Foreigner, Nektar, Bonnie Tyler, and Hall & Oates.

Note: Larry Fast owns the trademark Synergy for use on recordings in the United States, registration numbers 1,273,912 and 1,545,702 in the US Patent and Copyright Office.

His recording studio is called [l461761].