Gail Allison Weilheimer (born 1970) is an American lawyer who has served as a United States district judge of the United States District Court for the Eastern District of Pennsylvania since 2025. She previously served as a judge of the Montgomery County Court of Common Pleas from 2014 to 2025.

Gail Allison Weilheimer
Pennsylvania Eastern District Court
Born 1970 in Syracuse, NY
FJC ID: 13761902
- Gender
- Female
- Race
- White
Prior employment
- Court of Common Pleas of Montgomery County [Pennsylvania]Judge · 2014–2024
- Civil Division2018–2020, 2022–2024
- Competency Court2022–2024
- Orphans' Court2020–2022
- Criminal Court2016–2018
- Family Court2014–2016
- Private practice, Blue Bell, Pennsylvania2006–2013
- Montgomery County, PennsylvaniaSolicitor (part-time) · 2008–2013
- Intensive Trial Advocacy Program, Widener University School of LawInstructor · 1999–2011
- Abington Township, PennsylvaniaCommissioner · 2004–2008
Adjunct professor · 2002, 2003, 2006- Private practice, Elkins Park, Pennsylvania2003–2006
- National Institute of Trial Advocacy, Hofstra University School of LawInstructor · 1998–2005
- Philadelphia, PennsylvaniaAssistant district attorney · 1995–2002
- Private practice, Philadelphia, Pennsylvania2002
Appointments
2025–present · Appointed by Joseph R. Biden (Democratic)
Education
- Hofstra University School of LawJ.D. · 1995
- Hofstra UniversityB.A. · 1992