To provide a connector device capable of commonly using for a plurality of connectors different in their shapes.

This connector device 100 is connectable to a connector 200 and a connector 300 different each other in their shapes. The connector device 100 is provided with a housing 1 and connection terminals 5A, 5B stored in the housing 1, the housing 1 is provided with a groove 18a and the like attachable with the connection terminal 5A, and a recess 21 and the like, the connector device 100 is connectable to the connector 200 when the connection terminals 5A, 5B are attached to the groove 18a and the like, and the connector device 100 is connectable to the connector 300 when the connection terminals 5A, 5B are attached to the recess 21 and the like.