I
- IC - Ithaca College
- IIT - Illinois Institute of Technology
- IPFW - Indiana University-Purdue University Fort Wayne
- ISU - Idaho State University, Illinois State University, Indiana State University, Iowa State University
- IU/IUB - Indiana University Bloomington
- IUP - Indiana University of Pennsylvania
- IUPUI -Indiana University-Purdue University Indianapolis
Read more about this topic: List Of Colloquial Names For Universities And Colleges In The United States