NICL
| Acronym | Definition |
|---|---|
| NICL | National Ice Core Laboratory (USGS; Denver, CO, USA) |
| NICL | National Insurance Company Limited (est. 1976; Karachi, Pakistan) |
| NICL | North Iowa Cedar League (basketball) |
| NICL | Non-Invasive Cardiac Laboratory |
| NICL | National Ice Core Laboratory Science (Durham, NH) |
| NICL | Newline Insurance Company Limited (London, England, UK) |