To provide a nut removing tool capable of easily removing a nut mounted on a shaft or a hole.

The nut removing tool has a structure in which a peripheral top part 13 for pressing a claw part 33 for a shaft nut is formed on the tip surface of a rod-shaped body (a tool 10) in relation to the shaft nut 30 and a structure in which a cylindrical projecting part 21 having a peripheral top part 22 for pressing a claw part 52 for a hole nut is formed on the tip surface of a rod-shaped body (a tool 20) in relation to a hole nut 50. The claw part is pressed by the peripheral top part of the nut removing tool, the claw part is bent and deformed by the pressing part to release locking to a shaft or a hole inner wall by the claw tip, and therefore, the nut is easily removed from the shaft or the hole.