Surname Čičin-Šain (Čičin-Šain 
) , globally, is a very rare family name. The family name Čičin-Šain is habitual in Southern Europe, particularly Croatia, where it is quite a rare surname. Parts of the name also exists independently as a last name Čičin, and a last name Šain.
| VARIANT | COUNTRY |
|---|---|
| Čičin-Šain | Croatia |
| andrija čičin-šain Croatian architect (1920-2009), HR (b. 1920) |
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| a. čičin-šain (b. 1935) |
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