| Abbreviation | Definition |
|---|---|
| ITS | Instructional Technology Specialist |
| IUE | Israeli Underground Exchange |
| IUML | Indian Union Muslim League |
| IWB | Illinois White Boys |
| IWCA | Independent Working Class Association |
| IWDC | International Women's Democracy Center |
| IWEP | Institute for World Economy and Politics |
| IWEP | Institute of World Economics and Politics |
| IWP | Institute for Women in Politics |
| IWP | Institute of World Politics |
| IYD | Indiana Young Democrats |
| IZOD | International Zone of Demarcation |
| JAPAC | Jack Armstrong Political Action Committee |
| JAPAC | Jewelers of America's Political Action Committee |
| JAPE | Journal Of Australian Political Economy |
| JaSaD | Jatiya Samajtantrik Dal (National Socialist Party) |
| JC4PM | Jeremy Corbin for Prime Minister |
| JCAG | Justice Commandos of the Armenian Genocide |
| JCDA | Jefferson County Democratic Association |
| JCDC | Jordanian Commission for Democratic Culture |