USCGC Sedge (WAGL-402/WLB-402) was an Iris-class 180-foot seagoing buoy tender operated by the United States Coast Guard. She served in the Pacific during World War II and in Alaska during the rest of her Coast Guard career. Sedge was decommissioned in 2002 and transferred to the Nigerian Navy where she is still active as NNS Kyanwa.