| Acronym | Definition |
|---|
| CTSR➣Center for Thermal Spray Research (est. 1996; Stony Brook University; New York, NY) |
| CTSR➣Cape Town Street Racing (South Africa) |
| CTSR➣Cinema, Television, Stage and Radio (various schools) |
| CTSR➣Constant Torque Speed Range |
| CTSR➣Cumulative Total Stockholder Return (investing) |
| CTSR➣Counter Terrorist and Special Recovery (team) |
| CTSR➣Changing the Sponsoring Registrar |