David Floyd Weaver (May 12, 1941 – November 17, 2008) was an American Major League Baseball pitcher who was born in Ben Franklin, Texas.

He attended Pecan Gap High School in Pecan Gap, TX then Paris Junior College in Paris, Texas, where he excelled in baseball and basketball.

On May 10, 1961, Weaver struck out 21 batters in a nine-inning game at Grand Junction, Colorado, still a collegiate record.

He also played with the Indians in 1965, Chicago White Sox in 1970, and Milwaukee Brewers in 1971.

This biographical article relating to an American baseball pitcher born in the 1940s is a stub.