An imaging device is provided that includes a first member, a flat second member, a lens barrel, and an elastic member. The first member defines a lens hole. The flat second member is disposed opposite to the first member. The lens barrel is disposed between the first and second members. The lens barrel includes a lens group disposed inside of the lens hole when the first member is viewed along the optical axis. The elastic member is configured to support the lens barrel. The elastic member is disposed between the first and second members, fixed to the lens barrel and the first member, and arranged to come into contact with the second member.