| MBBS | Bachelor of Medicine and Bachelor of Surgery 
| Others |
| MBBS | Bachelor of Medicine, Bachelor of Surgery (Medicinae Baccalaureus, Baccalaureus Chirurgiae in Latin)
| Others |
| MBBS | Bachelor of Medicine/ Bachelor of Surgery
| Others |
| MBBS | Major Bulletin Board System
| Others |
| MBBS | Managed BroadBand Service
| Others |
| MBBS | Married But Beautiful Sight
| Others |
| MBBS | Master Black Belt Six
| Others |
| MBBS | Master of Bajji Bonda Service
| Others |
| MBBS | Medical Bachelor and Bachelor of Surgery
| Others |
| MBBS | Medical Bachelor Bachelor of Surgery
| Others |
| MBBS | Medicinae Baccalaureus and Bachelor of Surgery
| Others |
| MBBS | Medicine Bachelor Bachelor of Surgery
| Others |
| MBBS | Mennonite Brethren Biblical Seminary
| Others |
| MBBS | Mercedes Benz Banking Services
| Others |
| MBBS | Mian Biwi Bachay Samait
| Others |
| MBBS | Mian Biwi Bache Samedd
| Others |
| MBBS | Moderated Bulletin Board Service
| Others |
| MBBS | Mohtarma Benazir Bhutto Shaheed
| Others |
| MBBS | Molecular Biology and Biotechnological Science
| Others |
| MBBS | Mouth Big Brain Small
| Others |
| MBBS | Mouth Big, Body Small
| Others |
| MBBS | Mouth Big, Brain Small
| Others |
| MBBS | Muh Bang Bang Sem
| Others |
| MBBS | Multi Bidirectional Bus Service
| Others |
| MBBS | Multiline Bulletin Board Service
| Others |
| MBBS | Multiline Bulletin Board System
| Others |
| MBBS | Music Business Bachelor of Science
| Others |
| MBBS | Muslim Bomb Blowjob Shack
| Others |
| MBBS | Must Be Bull S***
| Others |
| MBBS | My Book of Bible Stories
| Others |
| MBBS | Myanmar Buddha Bainnaw Saya (Myanmar traditional pharmacist)
| Others |