Cyril James Fox (1889 – November 16, 1946) was a lawyer, judge and political figure in Newfoundland.
He represented St. John's East in the Newfoundland and Labrador House of Assembly from 1919 on.
He was born in St. John's and educated at Saint Bonaventure's College.
Fox studied law with William R. Warren and was called to the Newfoundland bar in 1916.
Fox retired from politics and returned to his law practice in 1928.