Last name Casciano (Casciano 
) , all over the world, is quite a rare surname. The surname Casciano is characteristic of Italy, where it is quite a rare surname, Uruguay, where it is a rare surname, and Argentina. Not in comparison with a country's population, it is commonest in Italy, the United States, and Brazil. Very seldom, Casciano is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Casciano | Brazil, Italy, Argentina, United States, France |
| august casciano American painter and jewelry designer, US (b. 1910) |
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| edoardo casciano Italian sports shooter, IT (b. 1936) |
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| edgard antonio casciano Brazilian diplomat, BR (b. 1950) |
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| jim casciano American basketball player-coach, US (b. 1952) |
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| roman casciano researcher |
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| claudio ivan casciano researcher ORCID ID = 0000-0001-9245-1180 |
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| paola casciano Italian latinist, IT |
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| fabio casciano researcher |
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| giacomo casciano bishop of the Roman Catholic Church |
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| daniel casciano researcher |
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| antonio casciano Italian philosopher of law, IT |
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