Judge Knapp may refer to:
- Dennis Raymond Knapp (1912–1998), judge of the United States District Court for the Southern District of West Virginia
- Martin Augustine Knapp (1843–1923), judge of the United States Courts of Appeals for the Second Circuit and the Fourth Circuit
- Whitman Knapp (1909–2004), judge of the United States District Court for the Southern District of New York
See also
edit- Manning M. Knapp (1825–1892), associate justice of the New Jersey Supreme Court