The Aldene Connection is a connection between two railroad lines in the Aldene neighborhood of Roselle Park, New Jersey, United States, one formerly belonging to the Central Railroad of New Jersey (CNJ), the other formerly of the Lehigh Valley Railroad. The connections allow trains on the New Jersey Transit Raritan Valley Line to travel from Cranford and points west through stations in Roselle Park and Union to the Hunter Connection in Newark, which in turn allows access to the Northeast Corridor and Newark Penn Station.

Roselle Park is a borough in Union County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 13,967, an increase of 670 (+5.0%) from the 2010 census count of 13,297, which in turn reflected reflected an increase of 16 (+0.1%) from the 13,281 counted in the 2000 census.