James Aloysius Shaw (August 13, 1893 – January 27, 1962) was a pitcher for the Washington Senators (1913–1921) from Pittsburgh, Pennsylvania.

Shaw led the American League in saves (4) and walks allowed (137) in 1914.

He led the American League in games (45), saves (5), innings (306 ⅔), wild pitches (10) and batters faced (1229) in 1919.

In 9 years, he had a win–loss record of 84–98 in 287 games, started 193 games and had 96 complete games, 17 shutouts, 68 games finished, 17 saves, 1600 ½ innings pitched, 1446 hits allowed, 674 runs allowed, 546 earned runs allowed, 28 home runs allowed, 688 walks allowed, 767 strikeouts, 24 hit batsmen, 58 wild pitches, 6584 batters faced, 8 balks, and a 3.07 ERA.

Shaw lived and raised his family in the Cherrydale neighborhood of Arlington, Virginia.