Inactive Fraternities
- Theta Delta Chi Founded: 1853
- The Delta Charge of Theta Delta Chi was RPI's first fraternity. Theta Delta Chi served as the sole fraternity on campus until the founding of Sigma Delta in 1859. The Charge had a prominent existence at Rensselaer throughout much of 19th century until its charter was surrendered in 1896 because of low membership.
- Tau Kappa Epsilon
- Suspended 2006-2016
Read more about this topic: List Of RPI Fraternities And Sororities