| Acronym | Definition |
|---|
| CTSO➣Career and Technical Student Organizations |
| CTSO➣Certified Thermal Spray Operator |
| CTSO➣Chief Technology and Services Officer |
| CTSO➣Cellular Telephone Switching Office |
| CTSO➣Cut That Stuff Out (polite form) |
| CTSO➣Chief Trading Standards Officer (UK) |
| CTSO➣Cryptologic Training Support Office (CNSG) |