An endoscope valve for switching connection states of a plurality of conduits formed in an endoscope includes: a cap including a leak hole through which a gas flowing via the conduit is dischargeable to an outside； and a shaft whose one end is connected to the cap, the shaft having a rod shape, extending in a longitudinal direction, and including: a main body portion including a hole portion forming a hollow space and a communication hole extending in a direction intersecting the longitudinal direction of the shaft and communicating with the hole portion and an outside； and a seal member including a protrusion portion provided in the hole portion and the communication hole, the protrusion portion protruding in the intersection direction from the communication hole.
