Mike Sposa (born June 5, 1969) is an American professional golfer.

He played college golf at the University of Tennessee where he was an All-American in 1990 and 1991 and won the SEC Championship in 1990.

On the Nationwide Tour, 1994–96, 1998, 2004–05, and 2007, his best finish was a win at the 1998 Nike Boise Open.

On the PGA Tour, 1999–2003 and 2006, his best finish was T-4 at the 2002 Compaq Classic of New Orleans.

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