Caspian

Caspian can refer to:

• The Caspian Sea
• The Caspian Depression, surrounding the northern part of the Caspian Sea
• The Caspians, the ancient people living near the Caspian Sea
• The Caspian languages spoken in northern Iran and southeastern Azerbaijan
• The Northeast Caucasian languages, also referred to as 'Caspian languages,' spoken in the Russian Caucasus and northern Azerbaijan