A headrest (1) includes a stay (6), a framework (2) supported by the stay (6) in a turnable manner toward a head of a sitting person, and supporting the head thereof, a shaft member (4) to be actuated in conjunction with the turning of the framework (2), and turning at a larger angle than a turning angle of the framework (2), and a coil spring (5) including a coil (50) wound around a pivot portion (47) of the shaft member (4) in a direction tightening the shaft member (4) when the framework (2) turns to the opposite side to the head side of the sitting person, and supports the head of the sitting person.