To provide a reclining device in which a pawl moves smoothly, does not slip and locks well.

Cam means for moving a pawl 33 in a direction of a lock position is constituted of a rotating cam (first cam) 31 for pushing the pawl 33 in the direction of the lock position, and a cam (second cam) 34 pressed by the rotating cam 31 and pushing the pawl 33 in the direction of the lock position while pressing it against a guide 25c. When moving the pawl 33 at an unlock position to the lock position, the cam means initially presses the pawl 33 with the rotating cam 31, and when the pawl 33 is at the lock position, presses the pawl 33 with the cam 34.