NNR
NNR stands for:
- Adrenal cortex, see adrenal gland # adrenal cortex
- Nordic Nutrition Recommendations ( Recommended Daily Allowance for Northern European Countries), see Recommended Daily Allowance
- Nuremberg marshalling yard (DS100 code)
- Connemara Airport (IATA code)
nnr stands for:
- Narangga (ISO-639-3 code), one of the Australian languages
