William David Holland (June 4, 1915 – April 5, 1997) was an American relief pitcher in Major League Baseball who played for the Washington Senators during the 1939 season.

Listed at 6'1", 190 lb., he batted and threw left-handed.

He was born in Varina, North Carolina and died in Goldsboro, North Carolina.

Holland posted a 0–1 record with two strikeouts and an 11.25 ERA in 4.0 innings pitched.

This biographical article relating to an American baseball pitcher born in the 1910s is a stub.