PROBLEM TO BE SOLVED: To provide an injection needle which is formed in a shape with a sharp point and which makes resistance during entry and insertion low, and an electrode needle which is used by being put into a person or an animal.SOLUTION: An injection needle 1 includes a first cut surface CS0 which has a point cut obliquely and a second cut surface CSB which has both sides of the point of the first cut surface CS0 cut in such a manner that a point is sharpened. At least an outer peripheral surface of a needle tube 3 is coated with a resin. The injection needle 1 is characterized in that a coating film 100 is not formed on a point-side outer surface with respect to an axial position including the second cut surface CSB.