Reuben Melville Wanamaker (August 2, 1866 – June 18, 1924) was a judge in the U.S. state of Ohio.

[1] Wanamaker entered law school at Ohio Northern in 1891, while teaching in Ada, and was admitted to the bar, March, 1893, before graduating.

[1][2] He located in Akron, Ohio that autumn, and opened a law practice with a classmate.

[2] In 1912, the Republican Party in Ohio was in disarray, with Taft and Roosevelt factions disagreeing.

[1] Wanamaker entered Mount Carmel Hospital, Columbus, Ohio, June 12, 1924 for treatment of his depression.