Bolster (disambiguation)

A bolster is a type of pillow or cushion.

Bolster may also refer to:
 * Bolster (knife), the thick metal portion of a knife joining the handle and the blade
 * Bolster (surname)
 * Bolster, Washington, a ghost town in Okanogan County, Washington
 * Bolster the Giant, a giant in Cornish legend
 * Bolster plate, part of a stamping press
 * Span bolster, railroad terminology
 * Truck bolster, railroad terminology
 * USS Bolster (ARS-38), a Diver-class rescue and salvage ship
 * A type of Chisel