NUCO
| Acronym | Definition |
|---|---|
| NUCO | National Underwriter Company (Erlanger, Kentucky publisher) |
| NUCO | National Union of County Officers (UK; now Hospital and Welfare Services Union) |
| NUCO | National Utilities Company |
| NUCO | National University of Columbia (Bogota, Colombia) |
| NUCO | NATO Uniform Code for Operations |