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.
- Gender
- Female
- Race
- White
Prior employment
- State of MissouriOffice of the Attorney General · 2021–2025
- ↳deputy solicitor general · 2021–2025
- ↳principal deputy solicitor general · 2025
Law clerk , Hon. Raymond W. Gruender · 2020–2021- litigation, Charter Communications, St. Louis, MissouriSenior manager · 2018–2020
- Private practice, St. Louis, Missouri2014–2018
- Michigan Supreme CourtLaw clerk , Hon. Brian K. Zahra · 2013–2014
Appointments
2025–present · Appointed by Donald J. Trump (Republican)
Education
J.D. · 2013- Gonzaga UniversityB.A. · 2009