John Alexander Charles Hamill ((1860-12-18)December 18, 1860 – (1911-12-09)December 9, 1911) was a Major League Baseball pitcher who played one season for the Washington Nationals of the American Association.

[1] Hamill made his Major League debut on May 1, 1884 with the Nationals.

He compiled an ERA of 4.48 with two wins, 17 losses and 50 strikeouts.

Hamill played his final game with the Nationals on July 31, 1884.

This biographical article relating to an American baseball pitcher born in the 1860s is a stub.