MBNA
| Acronym | Definition |
|---|---|
| MBNA | Monument Builders of North America |
| MBNA | Mercedes-Benz North America |
| MBNA | Maryland Bank, National Association |
| MBNA | Registered Member of the British Naturalists' Association (UK) |
| MBNA | Maryland Bank North America |
| MBNA | Medicine Bow Nordic Association (skiing; Laramie, WY) |
| MBNA | Mount Baker Nurses Association (Bellingham, Washington) |