| Acronym | Definition |
|---|
| CNU | Christopher Newport University |
| CNU | Congress for the New Urbanism |
| CNU | Chungnam National University (Korea) |
| CNU | Conseil National des Universités (French: National Council of Universities) |
| CNU | Cebu Normal University (Philippines) |
| CNU | Consejo Nacional de Universidades (Spanish: National Council of Universities) |
| CNU | Consiglio Nazionale degli Utenti (Italy) |
| CNU | Command Network Unit (cameras) |
| CNU | Chonnam National University (Korea) |
| CNU | Crisis Negotiation Unit (Singapore Police) |
| CNU | Chloroethylnitrosourea (chemotherapy) |
| CNU | California National University |
| CNU | Chonbuk National University (Korea) |
| CNU | Club de Natation d'Uckange (French: Uckange Swimming Club; Uckange, France) |
| CNU | Consolidated Narcotics Unit |
| CNU | Contractor National-Union (electronic tubes made by National-Union for US Army) |