Matthew James Maddox (born 1977) is an American lawyer from Maryland who has served as a United States district judge of the United States District Court for the District of Maryland since 2023. He previously served as a United States magistrate judge of the same court from 2022 to 2023.

- Gender
- Male
- Race
- African American
Prior employment
District of MarylandAssistant U.S. attorney · 2015–2022- ↳deputy chief, Major Crimes Section · 2020–2022
Law clerk , Hon. Andre M. Davis · 2014–2015- Private practice, Washington, D.C.2012–2014
Law clerk , Hon. Gerald Bruce Lee · 2011–2012
Appointments
2023–present · Appointed by Joseph R. Biden (Democratic)
Education
J.D. · 2011- Morgan State UniversityB.A. · 1999