Milloy is a surname. Notable people with the surname include:
Albert E. Milloy (born 1921), Major General, United States Army Christin Milloy, Canadian politician and LGBT activist John Milloy (born 1965), former politician in Ontario, Canada Lawyer Milloy (born 1973), former American college and professional football player May Milloy (1875–1967), American actress on Broadway, vaudeville, and in several films Steven Milloy, lawyer, lobbyist, author and Fox News commentator