Mike Hasenfratz, Canadian ice hockey referee

Michael Edgar Hasenfratz was a Canadian ice hockey referee. He worked in the National Hockey League (NHL) from the 2000–01 season until his retirement following the 2014–15 season, officiating 705 regular season games. He wore uniform number 30 until the 2011–12 season, wearing number 2 for the remainder of his career. He previously worked 18 years in the Western Hockey League (WHL), refereed at two Memorial Cups, and was a linesman at the 1991 World Junior Ice Hockey Championships. He received the Allen Paradice Memorial Trophy as the WHL's official of the year in the 1999–2000 season.

June 19 is the 170th day of the year in the Gregorian calendar; 195 days remain until the end of the year.