The three character combination NRS may refer to:
- JANET NRS Janet Name Registration Scheme
- NRS social grade and the National Readership Survey
- NRS process used for sugar thin-juice decalification in beet sugar factories
- NRS National Retail Systems Inc., Global Logistics and Trucking
- Non-rocket spacelaunch
- The National Runaway Switchboard, a national US hotline for youth in crisis.
- Nevada Revised Statutes Nevada laws