Donald Henri Grusin (born April 22, 1941) is an American jazz keyboardist, composer, and record producer.

In 1975, Quincy Jones invited him to tour with his band, and Grusin was persuaded to leave teaching for a career in music.

He worked as a studio musician on albums by Randy Crawford, Billy Eckstine, Joe Pass, and the Pointer Sisters.

[2] As a record producer or keyboardist, Grusin has worked with Gerald Albright, Patti Austin, David Benoit, Larry Carlton, Oscar Castro-Neves, Dori Caymmi, Gilberto Gil, Jim Hall, Sérgio Mendes, Airto Moreira, Milton Nascimento, Flora Purim, Nelson Rangell, Brenda Russell, Zoot Sims, Leon Ware, and Sadao Watanabe.

[1] With Ernie Watts With Oscar Castro-Neves With Dori Caymmi With Ricardo Silveira With Sadao Watanabe With Eric Marienthal With Tom Browne With Lorraine Feather With Shakatak With others