John "Happy" Townsend (April 9, 1879 – December 21, 1963), was a Major League Baseball pitcher from 1901 to 1906.

He played for the Philadelphia Phillies, Washington Senators, and Cleveland Naps.

Townsend started his career with the Phillies in 1901, but after the season he jumped to Washington of the new American League.

In 2005, the Delaware Sports Museum and Hall of Fame inducted Townsend.

This biographical article relating to an American baseball pitcher born in the 1870s is a stub.