John W. Greig (born April 28, 1961, in Sacramento, California) is a retired American basketball player, formerly in the National Basketball Association (NBA).

A 6-foot-7-inch (2.01 m) and 210-pound (95 kg) small forward, Greig played competitively at Timberline High School in Lacey, Washington and played college basketball at Wenatchee Valley Community College and at the University of Oregon.

[1] Presently Greig resides in Sammamish in Seattle, Washington and is a sports agent.

[1] In the past he has represented Ruben Douglas, the fifth-leading scorer in New Mexico Lobos men's basketball history,[2] former NBA player Pops Mensah-Bonsu,[3] and more recently he represented former Sacramento Kings forward DeMarcus Cousins.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1960s is a stub.