William Paul Holden (September 7, 1889 – September 14, 1971) was an American right-handed Major League Baseball outfielder who played in 1913 and 1914 for the New York Yankees and Cincinnati Reds.

Standing at 6 ft 0 in (1.83 m) and weighing 170 pounds, Holden made his big-league debut on September 11, 1913, at the age of 23.

On July 6 of that year, he was sent to the Baltimore Orioles of the International League.

On September 15 of that year, he was signed as a free-agent by the Reds, and in 28 at-bats with them he hit .214.

He played his final Major League game on September 25, 1914.