John W. O'Rourke (August 23, 1849 – June 23, 1911) was an American 19th-century baseball player.

Between 1879 and 1883, he played in the National League with the Boston Red Caps (1879–1880) and in the American Association for the New York Metropolitans (1883).

A center fielder, O'Rourke batted and threw left-handed.

In a three-season career, O'Rourke posted a .295 batting average with 11 home runs and 98 RBI in 230 games.

This biographical article relating to an American baseball outfielder born in the 1840s is a stub.