Zhenguan may refer to: Zhenguan (斟灌), an ancient Chinese state during the Xia dynasty before 2010 BC, located in approximately modern Shouguang, Shandong Historical eras Zhenguan (貞觀, 627–649), era name used by Emperor Taizong of Tang Zhenguan (貞觀, 1101–1113), era name used by Emperor Chongzong of Western Xia