QBT stands for Quilt Bubinga Top

(Fender Showmaster guitar component)

QBT stands for Queensland Building Tribunal (Australia)

QBT stands for Quantitative Bleeding Time

QBT stands for Quality Backing Tracks

QBT stands for Quality Bonding Time

QBT stands for Query by Template (databases)

QBT stands for Quota Book Transmittal (US DHS)

QBT stands for Quality Business Transport Europe

QBT