| Ice Rink (Class of 1923 Ice Rink) | facebook | | | youtube | | | | |
| Immunology Graduate Program | | | | | | | | |
| India, Center for Advanced Study of | | | | | | | | |
| Indian Association at PENN | | | | | | | | |
| Information Systems and Computing (ISC) | | | | | | | | |
| Inn at Penn, The | | | | | | | | |
| Inspiration, The | | | | | | | | |
| Institute for Economic Research | | | | | | | | |
| Institute for Environmental Medicine | | | | | | | | |
| Institute for Environmental Studies | | | | | | | | |
| Institute for Law and Economics | | | | | | | | |
| Institute for Regenerative Medicine | | | | | | | | |
| Institute for Research in Cognitive Science (IRCS) | | | | | | | | |
| Institute for Research on Higher Education (IRHE) | | | | | | | | |
| Institute of Contemporary Art (ICA) | | | | | | | | |
| Institute on Aging | | | | | | | | |
| Institutional Research & Analysis | | | | | | | | |
| Institutional Review Board (IRB) | | | | | | | | |
| Insurance Education, S.S. Huebner Foundation for | | | | | | | | |
| Interaction of Animals and Society, Center for the | | | | | | | | |
| Internal Audit, Office of | | | | | | | | |
| International Affairs Association | | | | | | | | |
| International Affairs Association | | | | | | | | |
| International Classroom (University Museum) | | | | | | | | |
| International Economic Review | | | | | | | | |
| International Literacy Institute (ILI) | | | | | | | | |
| International Programs, Office of | | | | | | | | |
| International Relations Program | | | | | | | | |
| International Studies and Business, Huntsman Program in | | | | | | | | |
| International Studies Graduate Group | | | | | | | | |
| Internet2 | | | | | | | | |
| InterVarsity Christian Fellowship | | | | | | | | |
| Intuitons | | | | | | | | |
| Irvine Auditorium | | | | | | | | |
| Italian Studies, Center for | facebook | | | | | | | |
| Ivy League Model United Nations (ILMUNC) | | | | | | | | |
