| IWI | I Want It
| Others |
| IWI | I Won It
| Others |
| IWI | Ideas With Impact
| Others |
| IWI | Immersive Witness Interview
| Others |
| IWI | Index of Watershed Indicators
| Others |
| IWI | Infinity Ward Image
| Others |
| IWI | Information Warning and Intervention
| Others |
| IWI | Inland Waterways International
| Others |
| IWI | Intelligent Wave Inc
| Others |
| IWI | International Water Institute
| Others |
| IWI | International Watersheds Initiative
| Others |
| IWI | International Wealth Insurer
| Others |
| IWI | International Welding Inspector
| Others |
| IWI | International Wines Inc
| Others |
| IWI | International Women of Istanbul
| Others |
| IWI | International Women's Initiative
| Others |
| IWI | International Workshop on Innovating
| Others |
| IWI | International Worship Institute
| Others |
| IWI | Investments Wealth Institute
| Others |
| IWI | Israel Weapon Industries
| Others |
| IWI | Israel Weapons Industry
| Others |
| IWI | Israeli Weapons Industries
| Others |
| IWI | Isreali Weapon Industry
| Others |
| IWI | Itis What Itis
| Others |