Richard Arnold "Groove" Holmes, Born Richard Arnold Jackson(Camden, New Jersey, May 2, 1931 – St. Louis, Missouri, June 29, 1991) was an American jazz organist who performed in the hard bop and soul jazz genre. He is best known for his 1965 recording of "Misty," and is considered a precursor of acid jazz. Holmes burst onto the music scene in the early 1960s (his first album, on Pacific Jazz with guest Ben Webster was recorded in March 1961).

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