Dana Andrew DeMuth (born May 30, 1956) is a former umpire in Major League Baseball.

In the top of the second inning at San Diego, Barry Bonds of the Giants hit his 755th career home run off Clay Hensley, tying Hank Aaron for first all-time.

[4] DeMuth was the home plate umpire for the game between the San Francisco Giants and the New York Yankees on September 20, 2013.

In the bottom of the seventh inning, Alex Rodriguez of the Yankees hit his 24th career grand slam off George Kontos, passing Lou Gehrig for first all-time.

DeMuth was the home plate umpire for a no-hitter pitched by Jake Arrieta between the Chicago Cubs and the Cincinnati Reds on April 21, 2016.