YB
YB stands for:
- BSC Young Boys as a sports club in Bern
- Yottabyte , the quadrillion times the unit of measurement byte
- a South Korean band, see YB (band)
- a group of letters used to identify boats in the Netherlands
- Borajet (IATA code), Turkish regional airline
- a series of engines from Cosworth
YB as a distinguishing mark on license plates:
- Greece: Athens
- UK: Leeds
- Netherlands: vintage cars from 1973 (black signs with white letters)
- Norway: Mo i Rana in the province of Nordland
- Slovakia: trailer (second group of letters)
Yb stands for:
- Ytterbium as a chemical element symbol
- Yb (river) , river in Russia, tributary of the Lopju , a tributary of the Wytschegda
