To provide a connector device usable for a plurality of connectors having different shapes in common.

This connector device 100 can be connected to the plurality of connectors 200, 300 and 400 having shapes different from one another. The connector device 100 is provided with a housing 1 and connection terminals 2 housed in the housing 1. By abutting the housing 1 with the respective connectors 200, 300 and 400, the respective connectors 200, 300 and 400 are prevented from being connected to the connector device 100 in a direction different from a normal direction.