John Matthew O'Connell (August 10, 1872 – December 6, 1941) was a U.S. Representative from Rhode Island.

He graduated from the Philadelphia (Pennsylvania) Dental College (now a branch of Temple University) in 1905 and commenced practice in Westerly, Rhode Island, the same year.

During World War I, he served for sixteen months with Headquarters Sanitary Train, Twelfth Division, and later as a major in the United States Dental Reserve.

O'Connell was elected as a Democrat to the Seventy-third, Seventy-fourth, and Seventy-fifth Congresses (March 4, 1933 – January 3, 1939).

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