Rensselaer
- Albany–Rensselaer station
- Bernard Samson
- Manor of Rensselaerswyck
- Rensselaer (Amtrak station)
- Rensselaer County, New York
- Rensselaer Falls, New York
- Rensselaer Morse Lewis
- Rensselaer Nelson
- Rensselaer Polytechnic Institute
- Rensselaer R. Bigelow
- Rensselaer Westerlo
- Rensselaer, Indiana
- Rensselaer, Missouri
- Rensselaer, New York
- Rensselaerville, New York
- Van Rensselaer (disambiguation)
- Van Rensselaer (surname)