Ann Day Montgomery (née Olson; born 1949) is a senior United States district judge of the United States District Court for the District of Minnesota.

- Gender
- Female
- Race
- White
Prior employment
Judge · 1985–1994- Hennepin County [Minnesota] Municipal CourtJudge · 1983–1985
District of MinnesotaAssistant U.S. attorney · 1976–1983- District of Columbia Court of AppealsLaw clerk , Hon. Gerard Reilly and Hon. Hubert Pair · 1974–1975
Appointments
1996–2016 · Appointed by William J. Clinton (Democratic)
Education
J.D. · 1974- University of KansasB.S. · 1971