Odorrana trankieni, also known as Trankien frog or Tran Kien's odorous frog, is a species of frogs in the family Ranidae. It is endemic to northern Vietnam. Its natural habitats are montane evergreen forests and secondary mixed evergreen bamboo forests at elevations of above sea level. References trankieni Frogs of Asia Amphibians of Vietnam Endemic fauna of Vietnam Amphibians described in 2003 Taxa named by Nikolai Loutseranovitch Orlov Taxonomy articles created by Polbot