| Acronym | Definition |
|---|
| MSCI | Morgan Stanley Capital International |
| MSCI | Military Science (course) |
| MSCI | Morgan Stanley Capital International Indices |
| MSCI | Microsat Systems Canada Inc. (Mississauga, Ontario, Canada) |
| MSCI | Margaret Sanger Center International (Planned Parenthood) |
| MSCI | Mission Scientist (US NASA) |
| MSCI | Morgan Stanley Composite Index |
| MSCI | Malicious State Command Injection (industrial cybersecurity) |
| MSCI | Master of Science in Curriculum and Instruction |
| MSCI | Metals Service Center Institute |
| MSCI | Master of Natural Science |
| MSCI | Molten Steel Coolant Interaction |