Nao Klao (Naogelao) or Baonao is a Hmongic language of southern China.
According to Meng (2001), Baonao å ç (Nao Klao, Naogelao çÂÂæ ¼å³, autonyms: ) has 28,952 speakers in Nandan, Hechi, and Tian'e in Guangxi as well as Libo County, Guizhou. The representative dialect in Meng (2001) is that of Lihu Township éÂÂæ¹Âç¶æÂÂ乡, Nandan County Ã¥ÂÂ丹å¿, Guangxi.
Beidongnuo 被å¨诺, with 244 speakers (as of 1984) in Libo County, Guizhou, is likely a variety of Nagelao (Nao Klao). It was identified as Dongmeng by Bradley (2007).