NCLB
| Acronym | Definition |
|---|---|
| NCLB | No Child Left Behind (US education initiative) |
| NCLB | Northern Corn Leaf Blight |
| NCLB | National Civil Liberties Bureau (now American Civil Liberties Union) |
| NCLB | No Community Left Behind (est. 2005; Ottawa, Canada) |
| NCLB | Non-Contributing Land Base (forestry land designation; Canada) |
| NCLB | No Code Left Behind (computer code) |
| NCLB | New Contented Little Baby (book) |
| NCLB | National Charities Lottery Board (UK) |