| CISV | Catalog Information Systems Vendor 
| Others |
| CISV | Centro Italiano de Studi Vessillologici (Italian Centre of Vexillological Studies)
| Others |
| CISV | Children International Summer Village
| Others |
| CISV | Children's International Summer Village
| Others |
| CISV | Children's International Summer Villages
| Others |
| CISV | Childrens International Summer Village
| Others |
| CISV | Childrens International Summer Villages
| Others |
| CISV | Content Index Service
| Others |