Jeduthun Wilcox (November 18, 1768 – July 18, 1838) was a United States Representative from New Hampshire. He was born in Middletown, Connecticut. He studied law and was admitted to the bar in 1802. He commenced practice in Orford, New Hampshire.
Wilcox served as member of the New Hampshire House of Representatives 1809-1811. He was elected as a Federalist to the Thirteenth and Fourteenth Congresses (March 4, 1813-March 3, 1817). He died in Orford, New Hampshire in 1838 and was buried in Orford Cemetery. His son Leonard Wilcox served as a United States Senator from New Hampshire.