It happened around 1:30 a.m. Sunday on the 100 block of Clementon Road in Gibbsboro.
Police said an 18-year-old girl was driving a van with a 17-year-old male passenger when she lost control.
The van went off the road and hit a utility pole.
The driver was not injured.
However, the 17-year-old in the van with her was killed.
An investigation is now underway to determine what caused the young driver to lose control.