Maria Lanahan

Maria Ann Lanahan
Judge of the United States District Court for the Eastern District of Missouri
Assumed office
September 24, 2025
Appointed byDonald Trump
Preceded byRonnie L. White
Personal details
BornMaria Ann Hassett
1987 (age 38–39)
EducationGonzaga University (BA)
University of Chicago (JD)

Maria Ann Lanahan (née Hassett; born 1987) is an American lawyer who serves as a United States district judge of the United States District Court for the Eastern District of Missouri. She served as a deputy solicitor general of the state of Missouri from 2021 to 2025.