| IPSE | In-Public Science Education 
| Others |
| IPSE | Independent Professionals and the Self-Employed
| Others |
| IPSE | Indiana Partnership for Statewide Education
| Others |
| IPSE | Institute for Policy Studies in Education
| Others |
| IPSE | Institute of Particle Science and Engineering
| Others |
| IPSE | Integrated Project Support Environment
| Others |
| IPSE | Integrative Primate Socio Ecology
| Others |
| IPSE | International Program in Science and Engineering
| Others |