A coaxial connector includes a contact, a housing, and a ground shell. The contact includes a first wall portion in which an insertion groove into which an inner conductor of a coaxial cable is to be inserted is formed. The housing includes a body portion in which an accommodation hole which accommodates the contact is formed and a middle cover portion which closes the housing hole. A surface on the rear-end side of the middle cover portion and a surface on the rear-end side of the first wall portion substantially overlap with each other in a plan view thereof.