Michael Greif (born ca. 1959) is a stage director and producer, born in Brooklyn, New York. He has received three Tony Award nominations and won the Obie Award.

Greif attended Northwestern University and graduated from the University of California-San Diego graduate directing program. He was the Artistic Director of the La Jolla Playhouse, LaJolla, California from 1994 - 1999.

For Broadway he has most recently directed the musicals Next to Normal (also at Second Stage Theatre and Arena Stage) and Grey Gardens (also at Playwrights Horizons), receiving Tony Award nominations as director for each. He directed the original 1996 production of Rent, earning a Tony Award nomination for Best Direction of a Musical, the Drama Desk Award nomination for Outstanding Director of a Musical, and the Obie Award.