A medical connector includes a housing including a male connector connection section, and a medical instrument connection section; and a valve element including a head section that closes the male connector connection section, and a body section that connects to the head section. The body section of the valve element is arranged in a receiving recess section formed in the housing. The housing and valve are configured such that, when a male connector is connected to the male connector connection section, the head section of the valve element is pushed in by the male connector while the head section contracts the body section, a fluid flow passage in the male connector is connected to a fluid flow passage in the medical instrument connection section through a fluid connection passage formed outside the receiving recess section, and the body section is covered by the receiving recess section.