David Warner Hagen (October 2, 1931 – September 28, 2022) was a United States district judge of the United States District Court for the District of Nevada from 1993 to 2005.

- Gender
- Male
- Race
- White
Prior employment
- Private practice, Reno, Nevada1963–1993
- Private practice, Loyalton, California1962–1963
- Private practice, Berkeley, California1960–1962
U.S. Air Force1949–1952
Appointments
1993–2005 · Appointed by William J. Clinton (Democratic)Term ended: Retirement
Education

LL.B. · 1959- University of WisconsinB.B.A. · 1956