Henry Antone "Cotton" Knaupp (August 13, 1889 – July 6, 1967) was a Major League Baseball player.

A shortstop during his major league career, Knaupp batted from the right side and threw with his right hand.

Knaupp continued playing professionally after the end of his major league career, and he achieved a notable milestone in 1916.

While playing second base for the New Orleans Pelicans on August 8, 1916, Knaupp became the only player in the history of the Southern Association to turn an unassisted triple play.

This biographical article relating to an American baseball shortstop is a stub.