| Acronym | Definition |
|---|
| MSGR➣Messenger |
| MSGR➣Monsignor (honorific title accorded certain prelates in the Roman Catholic Church) |
| MSGR➣Marshall Space Grant Research (US NASA) |
| MSGR➣Mobile Support Group |
| MSGR➣Military Survey GPS Receiver |
| MSGR➣Multi-Species Gene Recommender |