James Leland Quinn (September 8, 1875 – November 12, 1960) was an American newspaperman and politician who served two terms as a Democratic member of the U.S. House of Representatives from Pennsylvania from 1935 to 1939.

He moved to Braddock, Pennsylvania with his parents in 1880, and attended St. Thomas School.

He was employed as a newspaper reporter from 1891 to 1896, and became owner and publisher of the Braddock Journal in 1896.

He was a member of the Pennsylvania State House of Representatives from 1933 to 1935.

After leaving Congress, he resumed the newspaper publishing business.