BQS may refer to:
Transport
- Basti Qutab railway station, Pakistan (
BQS) - Bunker quantity survey, a measure of fuel delivered to a ship
- Bus queue shelter
- Ignatyevo Airport, Russia (IATA:
BQS)
Other uses
- Bosmun language, spoken on New Guinea (ISO 639:
bqs) - 1,4-dihydrobenzoquinone-2-sulfonic acid (BQS) in flow batteries