Jacoby Armstrong and Ronnel Jordan each finished with 10 points for the Wildcats (13-9, 6-3 America East Conference), who have won seven of their last eight including five straight, their longest such streak since the 1994-95 season.
Defensively, New Hampshire held Stony Brook (15-9, 6-3) to just 30. 4 percent shooting from the field, including 4 of 19 from 3-point range. Overall, the Wildcats are 7-1 this season when holding opponents below 40 percent from the field.
New Hampshire held a 29-25 lead at the break and opened the second half on an 11-3 run capped by a Jordan 3-pointer to extend its lead to double digits.
Jameel Warney led Stony Brook with 20 points and 15 rebounds.