BYR
BYR is an abbreviation for:
- Berytos Airlines , a charter airline based in Hazmieh, Lebanon , under the ICAO code
- Læsø flyveplads , airfield in Læsø , Nordjylland, Denmark, according to the IATA code
- Belarusian ruble , the currency of Belarus until June 2016 according to ISO 4217