A charging connector (10) is provided to be connected to a vehicle-side connector (50) for charging a battery in a vehicle. The charging connector (10) has a main body (11) including a connector fitting (13) connectable to the vehicle-side connector, a lock (22) for holding the vehicle-side connector (50) and the connector fitting portion (13) in a connected state by being locked to a lock projection (52) on the vehicle-side connector (50), an unlocking portion (23) for canceling the locked state of the lock (22) and the lock projection (52), and an unlocking hole 16 formed in the connector main body (11) at a position corresponding to the unlocking portion (23). The unlocking portion (23) projects to the outside of the main body (11) through the unlocking hole (16) and includes recesses (27) at positions facing the peripheral edge of the unlocking hole (16).