The Gold crown from Seobongchong Tumulus (Korean: 서봉총 금관; Hanja: 瑞鳳塚金冠; RR: Seobongchong geumgwan; MR: Sŏbongch'ong kŭmgwan), National Treasure of South Korea No. 339, is a gold crown of Silla origin that is now housed at the Gyeongju National Museum.