To provide a pipe joint in which a joint body part is restrained from coming off a mounting part compared to conventional constitution.

This pipe joint has the joint body part 2 for connecting piping 1, and the mounting part 3 fixed to an apparatus or the like.The joint body part 2 and the mounting part 3 are fitted and connected to each other, and an annular member 9 for restraining deformation is disposed at the outer peripheral surface of the joint in a fitting region.A slit 12 is formed in the outer member out of the joint body part 2 and the mounting part 3 from the open end side.A metal ring or a reinforced resin ring with rigidity and high strength is used as the annular member 9.