An endoscope includes: an operation portion grasped by an operator; an insertion portion pivotable relative to the operation portion; a switch portion provided on the operation portion and switchable by a grasping hand of the operator; a pulling/relaxing member pulled and relaxed by back and forth movement in the operation portion based on switch operation of the switch portion; and a braking unit that includes a deformation portion deformed by the pulling and the relaxing of the pulling/relaxing member and that restrains or allows rotation of the insertion portion.