Liú Chéngzhī 劉澂之 (also written 劉澄之), a Liu Song dynasty 劉宋 (420–479 CE) geographer active during or shortly after the Yǒngchū 永初 era (420–422 CE). His biography does not survive in standard historical sources. He is known as the author of several regional geographic records including the Yǒngchū shānchuān gǔjīn jì 永初山川古今記 (KR2k0155) and possibly a Pōyáng jì 鄱陽記 (cf. KR2k0194). His works were cited in Shuǐjīng zhù 水經注 and other early medieval geographic encyclopedias.