| IWP | I'm Watching Porn
| Others |
| IWP | Ice Water Path
| Others |
| IWP | Idaho White Pine
| Others |
| IWP | Idea While Peeing
| Others |
| IWP | Ignore Write Protect notch
| Others |
| IWP | Illinois Workforce Partnership
| Others |
| IWP | Immigrant Women Program
| Others |
| IWP | Imperial Western Products
| Others |
| IWP | Individual Work Plan
| Others |
| IWP | Individual Wrap Package
| Others |
| IWP | Individually Wrapped Pack
| Others |
| IWP | Inside Washington Publishers
| Others |
| IWP | Instant Web Publishing
| Others |
| IWP | Institut Osterreichischer Wirtschaftsprufer (Austria)
| Others |
| IWP | Institute of World Politics
| Others |
| IWP | Integrated Wellness Partners
| Others |
| IWP | Integrated Wine grape Production
| Others |
| IWP | Inter Working Profile
| Others |
| IWP | Interdisciplinary Writing Program
| Others |
| IWP | International Wake Park
| Others |
| IWP | International Women's Partnership
| Others |
| IWP | International Wood Products
| Others |
| IWP | International Workers Party
| Others |
| IWP | International Writers Project
| Others |
| IWP | International Writing Program
| Others |
| IWP | Internet Web Portal
| Others |
| IWP | Intl Writing Program
| Others |
| IWP | Irate Warrior Persona
| Others |
| IWP | Irreplaceable And Wonderfully Precise
| Others |
| IWP | Text document (Wang)
| Others |