NWN may refer to:
As an abbreviation:
- Neverwinter Nights, a Dungeons & Dragons-based video game series
- Newton for Hyde railway station, a railway station in England
- North Williamstown railway station, Melbourne, a railway station in Australia
- New Wrestling Nation, a Canadian professional wrestling promotion based in Île-des-Chênes
- Newbury Weekly News, an English local weekly newspaper
- NW Natural, a natural gas distributor in Portland, Oregon
In religion:
- An alternate spelling for the Egyptian god Nu