The reverse input cutoff clutch includes: a pressed member having a pressed surface around the inner peripheral surface; an input member coaxially arranged with the pressed surface and having an input-side engaging portion arranged on the radially inner side of the pressed surface; an output member coaxially arranged with the pressed surface and having an output-side engaging portion arranged further on the radially inner side than the input-side engaging portion; and an engaging element arranged so as to be movable in a first direction as a direction toward or away from the pressed surface on the radially inner side of the pressed surface. The engaging element has a main engaging element body having a pressing surface and a pivot-support shaft, and a link member. The link member has a first end portion pivotally linked to the pivot-support shaft, and a second end portion pivotally linked to the input-side engaging portion.