Entertainment
- N.B. (album), an album by Natasha Bedingfield
- "New Born", a song by the British band Muse
- Nickname of Niko Bellic, a fictional character in the video game Grand Theft Auto IV
- NB (television show), a Scottish TV programme presented by Janice Forsyth, Bryan Burnett and Alan Campbell
- Nathan Barley, a 2005 British sitcom written by Charlie Brooker and Chris Morris for Channel 4
Read more about this topic: NB