Archa (disambiguation)
Archa is a transliteration of the Tatar name of Arsk, a town in the Republic of Tatarstan, Russia.
Archa may also refer to:
- Archa, a beer brewed by ThaiBev
 - Archa (document store), a mediaeval document repository
 
See also
- Archaea (disambiguation), or Archea
 - Archery (disambiguation)
 - Archa Darugha, a division of Kazan Khanate and later of Kazansky Uyezd
 - Ala-Archa, a river in Kyrgyzstan
 - On-Archa, a river in Kyrgyzstan