| Acronym | Definition |
|---|
| MMTT➣Multisport Madness Triathlon Team |
| MMTT➣Mixed-Meal Tolerance Test |
| MMTT➣Magyar Mesterséges Táplálási Társaság (Hungarian: Hungarian Society of Artificial Nutrition) |
| MMTT➣More Meta Than Thou |
| MMTT➣Multi-Mission Team Trainer |
| MMTT➣Mail Myself to Thoreau (band) |
| MMTT➣Multipurpose Multiple Telescope Testbed |
| MMTT➣More Money Than Talent |