Chaldean is the name given to the ancient language Urartian also known as Vannic. It was the official language of Urartu spoken in northeastern Anatolia in the 9th–6th centuries BCE. It along with Hurrian are thought to be descended from the same language. Surviving Chaldean texts are written in Neo-Assyrian script . According to Josephus Chaldeans were known in Hebrew as "Kasidim" meaning "sorcerers".

See:

• Chaldea
• Chaldean script
• Chaldean mythology
• Chaldean Syrian Church of the East
• Chaldean Catholic Church
• Chaldean Oracles
• Chaldean is a name applied to Eastern Syriacs.