Carters Brook, also known as Carter Brook, is a branch of the Heathcote Brook in Somerset and Middlesex counties, New Jersey in the United States.

The Carters Brook source is at 40°24′23″N 74°35′43″W / 40.40639°N 74.59528°W / 40.40639; -74.59528, near the intersection of Route 518 and Route 27. It flows generally south, crossing Promenade Boulevard and Raymond Road before draining into the Heathcote Brook at 40°22′14″N 74°36′9″W / 40.37056°N 74.60250°W / 40.37056; -74.60250.

The Carters Brook is accessible by several roads.

• Heathcote Brook Branch

• List of rivers of New Jersey

• USGS Coordinates in Google Maps