A new and distinct cultivar of Caladium plant named ‘；WWG 2320-373’；, characterized by its short to intermediate height； upright and mounding plant habit； dense and bushy appearance； vigorous growth habit and rapid growth rate； lance-type leaves that are medium to dark green in color with bright white-colored centers and light green-colored venation； and petioles that are medium green in color with darker-colored stipples, streaks and tessellations.
