To provide a combination lock having a simple structure and preventing generation of latch sound at the time of opening/closing a door and having light weight and easily mounted in the door.

A latch member 3 rotatably held in a main body part 2 with a latch shaft 14 comprises a latch plate 12 having a first fitting piece 12c, a slide plate 13 having a second fitting piece 13b which is slidable in a longitudinal direction of the latch plate 12 and projecting from the top end side of the latch plate 12, and a coil spring 16 biasing the slide plate 13 to the top end side of the latch plate 12. A storage part 15 storing a receiving member 8a is formed between the first fitting piece 12c and the second fitting piece 13b. The storage part 15 moves from the lateral face side of the main body part 2 to the rear end face side thereof or from the rear end face side to the lateral face side in a state of storing the receiving member 8a at the time of opening/closing the door body 8, and holds the latch member 3 by a lock member 6 at an unlocking position or a fitting position of the receiving member 8a with the storage part 15.