Arcadian

Arcadian may refer to:


 * Arcadian, someone or something from, or related to:
 * Arcadia (region), the ancient Greek region
 * Arcadia (regional unit), the region in modern Greece
 * Accademia degli Arcadi, the Italian literary academy founded in Rome
 * any of the other places known as "Arcadia"
 * Arcadian Greek, the dialect spoken in ancient Arcadia
 * Arcadian ecology, an environmentalist perspective
 * Bebearia arcadius, a butterfly in the family Nymphalidae

Arts and entertainment

 * Arcadian (Star Trek), a race in Star Trek
 * The Arcadian, a 2011 American science fiction film
 * Arcadian (film), a 2024 American post-apocalyptic horror film starring Nicolas Cage
 * Arcadian (band), a Franco-Swiss band

Ships

 * SS Arcadian, formerly the 1899 ship, SS Ortona, she was torpedoed and sunk in 1917
 * RMSP Asturias (1907), renamed RMSP Arcadian in 1923 and scrapped in 1933
 * HMS Arcadian, a projected Amphion-class submarine, the order for which was cancelled in 1945