Mark Raymond Hornak (born March 31, 1956) is a United States district judge of the United States District Court for the Western District of Pennsylvania.

Mark Raymond Hornak
Pennsylvania Western District Court
Chief Judge — U.S. District Court for the Western District of Pennsylvania
Born 1956 in Homestead, PA
FJC ID: 3398
- Gender
- Male
- Race
- White
Prior employment
- Private practice, Pittsburgh, Pennsylvania1982–2011
Adjunct professor · 1989–1993
Law clerk , Hon. James M. Sprouse · 1981–1982
Appointments
2011–present · Appointed by Barack Obama (Democratic)
Education
J.D. · 1981- University of PittsburghB.A. · 1978