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
edit- 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
edit- 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