Sonan

Sonan may refer to:


 * Jinhaku Sonan (楚南 仁博 1892–1984) a Japanese entomologist
 * Sonan's salamander, Hynobius sonani, a salamander in the family Hynobiidae, endemic to Taiwan, where it occurs in the Central Mountain Range
 * "Sōnan" (遭難 "Distress"), the second single by Japanese rock band Tokyo Jihen