James Henry Mays (June 29, 1868 – April 19, 1926) was an American lawyer, businessman, and politician who served three terms as a U.S. Representative from Utah from 1915 to 1921.

From 1893 to 1902 he was employed in the life insurance business in Chicago, Illinois, Dubuque, Iowa, and in Salt Lake City, Utah.

He retired to his stock ranch near Wendell, Idaho, and died there on April 19, 1926.

His home near Wendell, built in 1920 and known as the James Henry and Ida Owen Mays House, was listed on the National Register of Historic Places in 1993.

This article incorporates public domain material from the Biographical Directory of the United States Congress