Stagecoach Bluebird (also known by its legal operating name Bluebird Buses Ltd, and formerly Northern Scottish Omnibuses Ltd) is a Scottish bus company which operates bus services in the areas of Aberdeen, Aberdeenshire and Moray. It is a subsidiary of the Stagecoach Group. The company held a royal warrant granted by Elizabeth II for bus and coach services in 1996, which expired with the death of Elizabeth II in 2022.