MCT
- Association of Corporate Treasurers
- Bronchial challenge test
- Exynos (system on chip)
- Ketogenic diet
- MCTS (disambiguation)
- MOS-controlled thyristor
- Madison County Transit
- Maksutov–Cassegrain telescope
- Marine Current Turbines
- Mars Colonial Transporter
- Mast cell tumor
- Medium-chain triglyceride
- Mengisa language
- Mercury cadmium telluride
- Metacognitive therapy
- Methyl halide transferase
- Microsoft Certified Professional
- Minnesota Chippewa Tribe
- Miss Chinese Toronto Pageant
- Mobile Computer Terminal
- Modern English Bible translations
- Monocarboxylate transporter
- Monotone convergence theorem
- Motivation crowding theory
- Multi Cable Transits
- Multichannel television
- Munich Chronotype Questionnaire
- Muscat International Airport
- The McClatchy Company
- Twilight
- United States Marine Corps School of Infantry