Michael Dwain Gallo (born April 2, 1977) is an American former Major League Baseball pitcher.

He debuted for the Houston Astros on July 2, 2003. Careerwise with the Astros, he was 4-3 with an ERA of 4.11. He attended Long Beach State.

In 2005, he was 0-1 with an ERA of 2.66 in 36 appearances. In the 2005 postseason, he pitched 5.1 innings and only gave up one run on 4 hits.^[1] He started 2006 with the Houston Astros, but was sent down to their Triple-A affiliate, the Round Rock Express, on June 2, 2006, after compiling a 1-2 record and a 6.06 ERA in 16.1 innings pitched.

In 2006, he was on the Italian baseball team in the World Baseball Classic. On December 18, 2006, he signed a minor league deal with the Colorado Rockies. In 2007, he spent the entire season in Triple-A with the Colorado Springs Sky Sox. In 56 relief appearances, he went 2-6 with a 5.10 ERA. During the 2007-08 off-season, Gallo signed a minor league contract with the Toronto Blue Jays, but was released on June 5.

• Career statistics and player information from MLB, or ESPN, or Baseball Reference, or Fangraphs, or Retrosheet, or Baseball Reference (Minor, Fall and Winter Leagues)