NISR
| Acronym | Definition |
|---|---|
| NISR | NGSSoftware Insight Security Research |
| NISR | National Institute for Safety Research (Maryland) |
| NISR | National Institute of Statistics of Rwanda (est. 2005) |
| NISR | National Institute for Sports Reform |
| NISR | Nuclear Industries Security Regulations (UK) |
| NISR | New Individualised Staff Record (Higher Education Statistics Agency) |
| NISR | Netherlands Institute for Spatial Research (est. 2002) |