Ludian may refer to: the surname such as Lidia Ludian or Tomasz Ludian this name is a polish name for generations
Places Ludian County (鲁甸), in Zhaotong, Yunnan, People's Republic of China (PRC) Ludian, Henan (卢店), a town in Dengfeng, Zhengzhou, Henan, PRC
Languages Ludian language, or Ludic, a Finnic language Ludian, a dialect of the Tibeto-Burman Pumi language
Other , a geological name for a subdivision of the Eocene epoch
See also Luodian (disambiguation) Lydian (disambiguation)