Michael J. "Mike" Murphy, an American politician, is the State Treasurer of Washington. He is a Democrat.

Mike Murphy, BBA, LLB, LLM (born January 25, 1958) is a New Brunswick lawyer and politician.

Mike Murphy is a professor at the University of Hong Kong. He is famous in Hong Kong for promoting English language learning by reading poets.

Mike Murphy (born September 12, 1950 in Toronto, Ontario) is a former hockey player in the NHL, and former head coach in the NHL and IHL.

Mike Murphy (born October 20, 1941) was an Irish television and radio broadcaster with the national station, Radio Telefís Éireann.

Mike Murphy is a Republican political consultant. He has advised such nationally prominent Republicans as John Mc Cain, Jeb Bush, John Engler, Tommy Thompson, Christie Whitman, Lamar Alexander and Arnold Schwarzenegger. He was, until Feb. 3, 2006 an, adviser to Mitt Romney, the governor of Massachusetts and a potential candidate for the Republican presidential nomination for the 2008 election.