A lever-type connector includes a connector housing, a cover attached to the connector housing, a lever rotatably mounted on the connector housing. The lever is rotated in a situation that a mating connector is fitted to the connector housing in a half-fitted condition, thereby moving the mating connector with respect to the connector housing from the half-fitting condition to a completely fitting condition. A retaining portion is provided on the lever. A lock portion provided on the cover is engaged with the retaining portion when the lever has been rotated. A lever claw portion is provided on the retaining portion. The lock portion is provided on a distal end portion of the lock arm. A lock protection portion is provided on the retaining portion so as to be positioned away from a rotation center of the lever than the lever claw portion so that the lock protection portion covers the lock portion.