Max Rosenn (February 4, 1910 – February 7, 2006) was a United States federal judge on the United States Court of Appeals for the Third Circuit from 1970 to 2006.
Born to a Jewish family in Plains, Pennsylvania, Rosenn received a B.A. from Cornell University in 1929 and an LL.B. from the University of Pennsylvania Law School in 1932.
Upon completing law school, Rosenn entered private practice in Wilkes-Barre, Pennsylvania. Rosenn was an Assistant District Attorney in Wilkes-Barre, Pennsylvania from 1941 to 1944, and a First Lieutenant in the U.S. Army during World War II from 1944 to 1946 (in the JAG Corps in the Philippines).
In 1954, Rosenn, Mitchell Jenkins and Henry Greenwald founded the Wilkes-Barre, Pennsylvania law firm of Rosenn, Jenkins & Greenwald, which has grown to become a 40-member regional law firm with offices in Wilkes-Barre and Hazleton, Pennsylvania. He was a Fellow of the American College of Trial Lawyers. He was the Pennsylvania Secretary of Public Welfare 1966 to 1967. In 1972, when Wilkes-Barre and the entire Wyoming Valley area was devastated by a flood, he chaired the Flood Recovery Task Force.
On September 3, 1970, Rosenn was nominated by President Richard M. Nixon to a seat on the United States Court of Appeals for the Third Circuit vacated by David Henry Stahl. Rosenn was confirmed by the United States Senate on October 6, 1970, and received his commission the following day. Rosenn assumed senior status on January 21, 1981, serving in that capacity until his death.