| Acronym | Definition |
|---|
| COSL➣Complementary Output Switching Logic |
| COSL➣College of Operational and Strategic Leadership (US Naval War College; Newport, RI) |
| COSL➣Chemistry Operations Support Laboratory (Rocky Flats) |
| COSL➣Certificate of Safe Load |
| COSL➣Commander, Oceanographic Systems, Atlantic |
| COSL➣Committee on Student Life |