RMT
- Neuroendocrine tumor
- RMT (trade union)
- RMT Bateleur
- Random matrix theory
- RateMyTeachers
- Real-money trading
- Recovered-memory therapy
- Redcliffe Musical Theatre
- Regie voor Maritiem Transport
- Registered Massage Therapist
- Relational models theory
- Reverse Morris Trust
- Review of Maritime Transport
- Rhian Touyz
- Rimatara Airport
- RmT Sambandham
- Ruth Mary Tristram
- Régiment de marche du Tchad