Bayan

Bayan may refer to:

People

 * two Mongol generals of the Yuan Dynasty:
 * Bayan of the Baarin (1236–1295) and
 * Bayan of the Merkid (died 1340), Mongol general of the Mergid clan and official in the Yuan Dynasty
 * Buyan (khan), aka Bayan, the Khan of the Blue Horde
 * Bayan I (6th-century–602), Avar khagan
 * Bayan II (died 617), Avar khagan
 * Bayan (son of Kubrat), son of Kubrat Khan

Military

 * Bayan-class cruiser, a class of armored cruisers of Imperial Russian Navy