| Acronym | Definition |
|---|
| IYM➣India Yamaha Motor Pvt. Ltd. |
| IYM➣I'm Your Man |
| IYM➣International Year of the Mountains (UN) |
| IYM➣Institute for Youth Ministry (Princeton Theological Seminary; New Jersey) |
| IYM➣In Your Mouth (gaming clan) |
| IYM➣In-Year Monitoring (budget management) |
| IYM➣Investment Year Method (insurance) |
| IYM➣Integrated Yield Management |
| IYM➣International Youth Movement (religious group) |