IYM
| 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) |