A county of Indiana, United States. County seat: Rensselaer.
A county of Iowa, United States. County seat: Newton.
A county of Illinois, United States. County seat: Newton.
A county of Mississippi, United States. County seats: Bay Springs and Paulding.
A county of Georgia, United States. County seat: Monticello.
A county of Missouri, United States. County seat: Carthage.
A county of Texas, United States. County seat: Jasper.
A county of South Carolina, United States. County seat: Ridgeland.
A city, the county seat of Jasper County, Indiana, United States, named after James Van Rensselaer.
A city in Rensselaer County, New York, United States, named after Kiliaen van Rensselaer and family, as was the county.
A village in Ralls County, Missouri, United States, named after the nearby Rensselaer Academy.