The panel-mounted connector 10 according to the present disclosure is mounted to a panel 1 having a connector-mounting hole 2, and is provided with a male connector 20 having an inner hood 24 that protrudes from a base end to a tip end and being mounted to the panel 1 penetrating the connector-mounting hole 2, and a female connector 30 having an outer hood 44 fitting into an outer peripheral surface side of the inner hood 24. The inner hood 24 is provided with a panel lock 25 that is provided at a position closer to the base end than the tip end and that retains the male connector 20 in a state of being mounted to the panel 1 by locking onto the periphery of the connector-mounting hole 2.