Meredith Anne Vacca (born 1980) is an American lawyer who has served as a United States district judge of the United States District Court for the Western District of New York since 2024. She previously served as a judge on the Monroe County Court from 2021 to 2024 and an acting justice on the New York Supreme Court from 2023 to 2024.

- Gender
- Female
- Race
- Asian American
Prior employment
- Monroe County [New York] CourtJudge · 2021–2024
- Monroe County, New YorkAssistant district attorney · 2007–2020
- Private practice, Buffalo and Rochester, New York2006–2007
Appointments
2024–present · Appointed by Joseph R. Biden (Democratic)
Education
- State University of New York at Buffalo Law SchoolJ.D. · 2005
- Colgate UniversityB.A. · 2002