CYN
| Acronym | Definition |
|---|---|
| CYN | Canyon |
| CYN | Cary (Amtrak station Code, Cary, NC) |
| CYN | Club Yerrois de Natation (French swimming club) |
| CYN | Community Youth Network (various locations) |
| CYN | Communications Yeoman (US Navy) |
| CYN | Changing Your Name |
| CYN | Curse Your Name (band; North Carolina) |
| CYN | Croatian Youth Network |
| CYN | Create Your Network (website) |