A swing-away hitch adapter system couples a vehicle hitch mounted device of a vehicle while maintaining the ability of the user to access the rear storage of the vehicle. The swing-away hitch adapter has a receiver insert, a base-member, a secondary-member, a hitch receiver, a hinge-pin, a swing-limiting pin, a restraining-pin, and a return limiting pin. Additional embodiments of a swing-away hitch adapter system may further include a wiring harness extension, a plug adapter, a handle attached to the secondary-member, a handle attached to the restraining-pin, and a wire attached to the restraining-pin. The swing-away hitch adapter system, in a folded condition, is ready for transportation of the vehicle. When in a swing-away condition, the swing-away hitch adapter system allows access to the rear entry of the vehicle.