Jon S. Tigar (born 1962) is an American lawyer serving as a United States district judge of the United States District Court for the Northern District of California. He was previously a California state court judge on the Alameda County Superior Court from 2002 to 2013.

- Gender
- Male
- Race
- White
Prior employment
- Superior Court of California, County of AlamedaJudge · 2002–2012
- Private practice, San Francisco, California1990–1992, 1994–2002
- Office of the Public Defender, San Francisco, CaliforniaTrial attorney · 1993–1994
Law clerk , Hon. Robert S. Vance · 1989–1990
Appointments
2013–present · Appointed by Barack Obama (Democratic)
Education
- University of California, Berkeley, School of LawJ.D. · 1989
- Williams CollegeB.A. · 1984