| Acronym | Definition |
|---|
| DCSO | Davidson County Sheriff's Office (Nashville, TN) |
| DCSO | Deutsche Cyber-Sicherheitsorganisation (German: German cyber security organization) |
| DCSO | Douglas County Sheriff's Office (various locations) |
| DCSO | Data Center Service Optimization |
| DCSO | Département de Chimie et Synthèse Organique (French: Department of Chemistry and Organic Synthesis) |
| DCSO | Davidson College Symphony Orchestra (Davidson, NC) |
| DCSO | Defense Communications System Organization |
| DCSO | Dubuque Community String Orchestra (Northeast Iowa School of Music; Dubuque, IA) |
| DCSO | Deputy Chief Security Officer |
| DCSO | Defense Commercial Systems Office |