An operation device includes a support portion, a moving body operated by an operator and movably supported by the support portion, a detection unit that detects movement of the moving body, and contact portions respectively provided on the support portion and the moving body and brought into contact with each other. The contact portion of one of the support portion and the moving body has an elastic region that is first brought into contact with the contact portion of the other when the contact portions are brought into contact with each other and a rigid region provided adjacent to the elastic region and continuously brought into contact with the contact portion of the other following the contact of the elastic region to regulate the movement of the moving body.