Liang Xi (died 230), courtesy nameZiyu, was an official of the state of Cao Wei during the Three Kingdoms period. He was a native of Zhe (柘), Chen Commandery (陳郡). Liang Xi served as the Inspector (刺史) of Bing Province. At one time, he achieved compliance from the Xiongnu to then settle the frontier and to launch an agricultural sericulture (in which were silkworm) industry. Liang Xi was judged as a very valuable citizen and was later promoted to the post of Minister of Finance.