A medical puncture needle includes: a distal end portion including a needle point； and a rod-like main body portion continuous with the distal end portion, wherein: the distal end portion includes a blade surface, the blade surface includes: a first blade surface portion and a second blade surface portion on a front side of the distal end portion, the first and second blade surface portions intersecting each other at a ridgeline that forms a blade edge having the needle point at one end, and a third blade surface portion continuous with each of the first blade surface portion and the second blade surface portion on a main body portion side, and the third blade surface portion includes a protruding curved surface.
