Chonan

Chonan may refer to:

• Chōnan, the Japanese moniker for the eldest son in a family.
• Chōnan, Chiba, a town in Japan
• Cheonan, a city in South Korea
  • Battle of Chonan, a battle in the city during the Korean War
  • ROKS Cheonan (PCC-772) A South Korean corvette sunk on March 26, 2010.
• Chonan Gang, the Korean stage name of Tsuyoshi Kusanagi, a Japanese actor/singer
• Ryo Chonan (born 1976), Japanese mixed martial artist
• the Chonan languages in Patagonia