Peter Lenard Zimroth (January 11, 1943 – November 8, 2021) was an American attorney whose career included service as a legal academic, public official and private practitioner. As New York City Corporation Counsel from 1987 to 1989, he unsuccessfully defended the constitutional purview of the New York City Board of Estimate in protracted litigation, culminating in its disestablishment under the Equal Protection Clause (pursuant to Reynolds v. Sims) in 1989. In 2013, he became the court-appointed monitor of the New York City Police Department's stop-and-frisk policies and practices.