The Sword of Goujian (Traditional Chinese: 越王勾踐劍, Simplified Chinese: 越王勾践剑) is an archaeological artifact of the Spring and Autumn Period (771 to 403 BCE) found in 1965 in Hubei, China. Renowned for its sharpness and resistance to tarnish, this historical artifact of ancient China is currently in the possession of the Hubei Provincial Museum.