| Acronym | Definition |
|---|
| RTMI➣Return to Mysterious Island (Tetraedge game) |
| RTMI➣Relevant to My Interests |
| RTMI➣Radio Telefono Mobile Integrato |
| RTMI➣Radtke Tile and Marble, Inc. (Nevada) |
| RTMI➣Regional Tourism Marketing Initiative |
| RTMI➣Resource Technology Management, Inc. |
| RTMI➣Routing Master Inquiry |
| RTMI➣Rural Transit of Mindanao, Inc. |
| RTMI➣Reduced Touched Memory Image |
| RTMI➣Requirements Traceability and Management (Chipware tool used by US government) |
| RTMI➣Retail, Miscellaneous |