| Acronym | Definition |
|---|
| PIPES | Program on International Politics, Economics and Security (University of Chicago; Illinois) |
| PIPES | Pacific Internship Programs for Exploring Science (University of Hawaii) |
| PIPES | Postgraduate International Process Engineering School (Technical University of Berlin; Berlin, Germany) |
| PIPES | Piperazine-1,4-Bis-2-Ethanesulfonic Acid |
| PIPES | Partnership in Innovative Preparation for Educators and Students (University of Colorado at Colorado Springs and Space Education Consortium) |
| PIPES | Private Investments in Public Equity Securities |