Multi-compartment interventional wire and catheter storage systems are disclosed. According to an aspect, a storage system includes a bottom wall and a side wall. The side wall includes an upper end and an opposing lower end attached to the bottom wall. The side wall defines multiple interior passageways between the upper and lower ends. Further, the side wall defines multiple openings at the upper end. Each opening extends to a respective one of the interior passageways for storage of elongated flexible members, such as catheters and guide wires.