| Acronym | Definition |
|---|
| NIDR➣National Institute of Dental Research (now NIDCR) |
| NIDR➣National Institute for Dispute Resolution |
| NIDR➣National Institute of Disaster Restoration |
| NIDR➣Network Information Discovery and Retrieval |
| NIDR➣Nuclear Interactions and Dosimetry |
| NIDR➣National Identity Recovery, LLC (fraud protection; Norcross, GA) |