Phanias

Phanias may refer to:
 * A historic person:
 * Phanias of Eresus in Lesbos, Greek philosopher
 * Phanias (Stoic philosopher), a Stoic philosopher, disciple of Posidonius
 * Phanias (Athenian Commander), an Athenian naval commander during the Corinthian War
 * Phanias (spider), a genus of jumping spiders