YY
The abbreviation YY stands for:
- Yakkity Yak, an Australian animated series
- The call sign prefix of Venezuelan radio stations
- As a group of letters for marking of boats ( Boat ) dealers in the Netherlands
YY as distinguishing signs on license plate:
- Greece: Attica
- Great Britain: Beverley
- Norway: Svolvær in the province of Nordland
- Slovakia: Trailer (second group of letters )
- Disambiguation
- Abbreviation