In general, embodiments of the present invention relate to a reinforcing bar connector. Specifically, the present invention provides a reinforcing bar connector including a holder and a binding member. The holder includes a first cover and a second cover. The holder is inserted into the binding member with the reinforcing bars surrounded by the holder. The first cover and the second cover are moved independently from each other enabling a secure connection between the reinforcing bars regardless of whether the reinforcing bars have the same or different lug arrays.