Ludian may refer to: the surname such as Lidia Ludian or Anna Ludian this name is a polish name passed down
Places
edit- 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
edit- Ludian language, or Ludic, a Finnic language
- Ludian, a dialect of the Tibeto-Burman Pumi language
Other
edit- Ludian (stage) , a geological name for a subdivision of the Eocene epoch