A stereoscopic endoscope includes an insertion portion, an objective optical system provided at a distal end portion of the insertion portion, an objective optical system provided at the distal end portion, a first opening portion provided a predetermined distance apart from an optical axis center of the objective optical system and configured to deliver fluid to the objective optical system, and a second opening portion provided a distance equivalent to the predetermined distance apart from an optical axis center of the objective optical system and configured to deliver the fluid in a supply direction same as a supply direction of the first opening portion to the objective optical system.
