To provide a supporter for the calf, which can cope with leg cramp, resolves edema or lassitude similarly as a conventional one, and can reliably keep initial state in which it is worn.

A supporter for a calf comprises: a cylindrical supporter body 1 composed of freely expandable fabric that elastically deforms and is brought into close contact with a surface of a lower leg part from below the knee to the ankle; and an auxiliary belt body 2 encircling the supporter body 1. The auxiliary belt body 2 is configured in such a way that free end parts of a pair of first belt piece 3' which are disposed in almost a horizontal direction and formed by adhering distal ends immovably to an upper part in a front surface center of the supporter body 1 and provided opposed to each other via the supporter body 1 are connected to free end parts of a pair of slant-shaped second belt pieces 4' formed by adhering distal ends immovably to a lower part of the distal end parts of the first belt pieces 3' in the front surface center, via an intermediate piece 7 which elastically deforms and expands. An auxiliary belt body 2 tongue-shaped piece 8 is superimposed on the intermediate piece 7, and a male material of a hook-and-loop fastener is provided on a reverse surface of the tongue-shaped piece 8.