Mimi Collins grabbed a career-high 17 rebounds to lead the Terps.
The Gophers shot 51.7 percent from the floor in the first half of Thursday’s game.
Diamond Miller had 23 points for the Terps, who extended their win streak to nine games.
Alaysia Styles, a graduate transfer from Cal, impressed coming off the bench in her home debut.
The Terps are undefeated since her injury on Dec. 3.
Five players scored in double-digits for the Terps, who continued their undefeated start in Big Ten play.
Late free throws from Katie Benzan and Ashley Owusu helped the Terps hold off the Hoosiers.
Owusu and Miller scored 20 points each.
"We're just trying to do different things to make us a championship team."