Greg Maas (born January 19, 1966 in Portland, Oregon) is a retired U.S. soccer goalkeeper who spent his entire professional career in Portland. He was the head coach of the Utah Valley University men's soccer team, starting the program from scratch. The team begins play in 2014 and competes in the Western Athletic Conference (WAC). Utah Valley has the only NCAA Division I men's soccer program in the state of Utah. He now serves as an academy coach mentor and senior boys and girls director of goalkeeping for the Washington Timbers a founding member of the Portland Timbers Alliance.