Michael R. Greenlay (born September 15, 1968) is a Brazilian-born Canadian former ice hockey goaltender. Greenlay played two games for the Edmonton Oilers in 1989–90. He was a successful amateur player who spent most of his pro career in the minor leagues.

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Greenlay was born in Vitória, Brazil and raised in Calgary, Alberta.

Greenlay was selected 189th overall by Edmonton in 1986 out of the Calgary AAA Midgets. He then played parts of three years at Lake Superior State. He was a member of the Lake Superior State Lakers 1988 NCAA Championship men's ice hockey team. Early in the 1988–89 season, he left the Lakers to suit up for the WHL's Saskatoon Blades. Greenlay helped the squad reach the Memorial Cup final and was named the top goaltender at the tournament and an all-star.

Besides his two-game stint with Edmonton, Greenlay excelled for two years with the AHL's Cape Breton Oilers. He also toiled in the ECHL and IHL before retiring early in the 1995–96 season. In 1994 Greenlay shared the James Norris Memorial Trophy (IHL) with J.C. Bergeron for allowing the fewest goals in the IHL. He also led all post-season goalies in wins while helping the Atlanta Knights win the Turner Cup in 1994.

Greenlay provided color commentary for the Minnesota Wild until 2020 when his contract expired.^[1]