John Marion Sheets (1854-1940) was a Republican politician from the U.S. state of Ohio.

Sheets was born May 26, 1854, at Columbus Grove, Putnam County, Ohio, was educated at public schools, and at age twenty began teaching.

[1] Sheets entered the University of Michigan Law School in 1879, and graduated in 1881.

In 1893, he was elected as a Republican to judge of the Court of Common Pleas for the district composing Fulton, Henry, and Putnam counties.

[1] The Republicans nominated Sheets for Attorney General in the summer of 1899, and he won election that autumn.