Lewis Avins Kaplan (born 1944) is an American lawyer and jurist who serves as a senior United States district judge of the United States District Court for the Southern District of New York. He was the presiding judge in a number of cases involving high-profile defendants, including E. Jean Carroll v. Donald J. Trump, Giuffre v. Prince Andrew, United States v. Bankman-Fried, and trials of al-Qaeda terrorists such as Ahmed Ghailani.

- Gender
- Male
- Race
- White
Prior employment
Member · 2012–2019- Private practice, New York City1970–1994
Special master · 1982–1983
Law clerk , Hon. Edward McEntee · 1969–1970
Appointments
1994–2011 · Appointed by William J. Clinton (Democratic)
Education
J.D. · 1969- University of RochesterA.B. · 1966