James Irvin Adams (September 27, 1890 – June 18, 1937) was a pitcher for the St. Louis Browns, Pittsburgh Rebels, and Philadelphia Athletics.

He attended Albright College prior to his playing career.

He led the American League in earned runs allowed (83) and hit batters (12) in 1918.

While an active player in the minor leagues in 1922, Adams suffered a heart attack, which ended his baseball career.

This biographical article relating to an American baseball pitcher born in the 1890s is a stub.