Laurence Fletcher Arnold (June 8, 1891 – December 6, 1966) was a U.S. Representative from Illinois.

Born in Newton, Illinois, Arnold attended the public and high schools of his native city and the University of Chicago, Chicago, Illinois.

He engaged in banking and in the wholesale hay and grain business at Newton, Illinois, in 1916.

He served as delegate to the Democratic National Convention in New York in 1924.

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