An endoscope connector for connecting an endoscope to an external apparatus, includes: an exterior member including a first opening and a second opening on end part side, the first opening and the second opening respectively exposing, to an outside, predetermined members of the endoscope to be connected to the external apparatus; and a supporting member that is disposed inside the exterior member and holds the predetermined members, in which the supporting member includes an insertion hole that faces a region on the end part side of the exterior member, the region being different from the first opening and the second opening.