All around the world, Caelius (Caelius 
, Целий 
, كاليوس) is an extremely rare unknown gender first name. Predominantly, Caelius is the last name as well as the forename.
| caelius aconius probianus Imperial Roman Consul (b. 450) |
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caelius vibenna 8th century BC (b. 550) |
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| caelius aurelianus late Roman physician, TN (b. 500) |
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caelius rhodiginus 15th/16th century Venetian writer and professor in Greek and Latin, IT (b. 1469) |
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| caelius calvinus governor of Cappadocia during the reign of Commodus as well as possibly the father of Roman emperor Balbinus |
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