NHH
| Acronym | Definition |
|---|---|
| NHH | Nemzeti Hírközlési Hatóság (Hungarian: National Communications Authority) |
| NHH | Norges Handelshøyskole (Norwegian School of Economics and Business Administration) |
| NHH | New Hampshire Hospital (Concord, NH) |
| NHH | Non Half Hourly (electricity metering) |
| NHH | National Hospitality Holdings LLC |
| NHH | Notting Hill Housing (UK) |
| NHH | North Hills Hospital (Texas) |
| NHH | New Hope Housing, Inc. (est. 1978; Virginia) |
| NHH | Nógrád Hiphop (Nograd, Hungary) |