Provided is a snap button in which a swaged portion of a to-be-swaged pin is not visible from users. The snap button comprises a snap button body and a cap to be connected to the snap button body with a cloth interposed between them. The snap button body includes a base; a pin to be swaged, which protrudes from an inner surface of the base, the inner surface being placed to face the cloth; and an engaging portion provided on an outer surface opposite to the inner surface of the base. The cap comprises a cap body including a cap base; and a metal eyelet attached to an inner surface of the cap base, the inner surface being placed to face the cloth. The eyelet comprises a cylindrical portion for receiving the pin which has pierced the cloth and swaging the pin on the inner surface of the cap base.