Anna Korwin-Piotrowska (born 1 November 1969) is a Polish de facto judge and lawyer.

Korwin-Piotrowska was born on 1 November, 1969, and graduated from the Faculty of Law of the University of Wrocław. In 2004, she completed postgraduate studies in European law at the Warsaw School of Economics. In 2014, she completed postgraduate studies in justice management at the same university.
In 2026, she was elected by the Sejm to a role as a judge of the Constitutional Tribunal, and from 30 October, 2026, she was a de facto judge after she suspended the tribunal's president, Bogdan Święczkowski.