The Haywain Triptych is a panel painting by Hieronymus Bosch, now in the Museo del Prado, Madrid, Spain. A date of around 1516 has been established by means of dendrochronological research. The central panel, signed "Jheronimus Bosch", measures 135 cm × 200 cm and the wings measure 147 cm × 66 cm. The outside shutters feature a version of Bosch's The Wayfarer.

Hieronymus Bosch was a Dutch painter from Brabant. He is one of the most notable representatives of the Early Netherlandish painting school. His work, generally oil on oak wood, mainly contains fantastic illustrations of religious concepts and narratives. Within his lifetime his work was collected in the Netherlands, Austria, and Spain, and widely copied, especially his macabre and nightmarish depictions of hell.