It happened around 1 a.m. Friday in the Coker Arboretum, near E. Cameron Aveune.
UNC's Department of Public Safety sent out an alert after a student said the four men involved in the robbery were last seen running north towards campus.
The suspects reportedly did not have weapons. They were last seen wearing T-shirts and jeans.
Anyone with information about the incident is asked to call the Department of Public Safety at (919) 962-8100.