Michael Walsh may refer to:

• Michael Walsh (footballer, born 1977), English football (soccer) player
• Michael Walsh (footballer, born 1986), English football (soccer) player for Chester City
• Michael Walsh (Kilkenny hurler) (born 1961), former goalkeeper on the Kilkenny senior hurling team
• Michael Walsh (Waterford hurler) (born 1983), current captain of the Waterford senior hurling team
• Michael Walsh (London hurler) (born 1986), Irish hurler
• Ducksy Walsh (Michael Walsh), Irish handball player from Kilkenny
• Mickey Walsh (born 1954), football striker
• Michael G. Walsh (died 1993), Irish steeplechase trainer

• Michael Walsh (publisher), Old Earth Books
• Michael Walsh (author) (born 1949), American music critic, author and screenwriter
• Michael Walsh (film critic) (born 1945), Canadian film critic and print journalist
• M. Emmet Walsh (born 1935), American actor
• Michael Walsh (New York) (1810–1859), U.S. Representative from New York
• Michael F. Walsh (1894–1956), Secretary of State of New York 1939–1943
• Michael J. H. Walsh (born 1927), major-general in the British Army
• Michael P. Walsh (1838–1919), Wisconsin labor activist and politician
• Michael Walsh (Medal of Honor) (1858–1913), chief machinist serving in the U.S. Navy and Medal of Honor recipient
• Michael Walsh (engineer) (born 1943), American vehicle emissions engineer
• Michael James Walsh (1858–1933), Canadian politician
• Michael McLaughlin, British far right activist who used Michael Walsh as a pen name

• Mike Walsh (Male Gigolo)