Mary Susan McElroy (born 1965) is a United States district judge of the United States District Court for the District of Rhode Island.

- Gender
- Female
- Race
- White
Prior employment
- Rhode Island Public Defender1994–2006, 2012–2019
- ↳assistant public defender · 1994–2006
- ↳public defender · 2012–2019
Assistant federal defender · 2006–2012- Private practice, Providence, Rhode Island1993–1994
- Supreme Court of Rhode IslandLaw clerk , Hon. Donald F. Shea · 1992–1993
Appointments
2019–present · Appointed by Donald J. Trump (Republican)
Education
J.D. · 1992- Providence CollegeB.A. · 1987