YB
YB is:
- BSC Young Boys Bern as a sports club
- Yottabyte, the Quadrillionenfache the unit byte
- A South Korean band, see YB ( band )
- A group of letters for marking of boats in the Netherlands
YB as distinguishing signs on license plate:
- Greece: Athens
- UK: Leeds
- Netherlands: vintage cars from 1973 ( black signs with white letters )
- Norway: Mo i Rana in Nordland
- Slovakia: Trailer (second group of letters )
Yb stands for:
- Ytterbium as a chemical symbol
- Disambiguation
- Abbreviation