Bob Carpenter (born 1953) is an American sportscaster and current television play-by-play announcer for Major League Baseball's Washington Nationals on MASN.

He announced two World Cups for ESPN; 1982 with Bob Ley and 1994 (10 games) with Seamus Malin and Clive Charles.

In addition to baseball and college sports, Carpenter called tennis (1995 U.S. Open) and golf (Masters 1986–1988) for USA Network.

He has called seven no-hitters: Montreal's David Palmer at St. Louis in 1984 (shortened to 5 innings by rain), Cardinals rookies Jose Jimenez at Arizona in 1999 and Bud Smith at San Diego in 2001, Washington's Jordan Zimmermann versus Miami at Nationals Park on the last day of the 2014 season, Washington's Max Scherzer over Pittsburgh at Nationals Park on June 20, 2015, Scherzer's second 2015 no-hitter at New York versus the Mets October 3, and San Diego Padre Dylan Cease versus the Nationals in Washington on July 25, 2024.

Carpenter called TV play-by-play for University of Oklahoma men's and women's basketball for 16 years, retiring from hoops in February 2017.