Family name Sergio (Sergio 
, Sérgio , Sergius 
, among others...) , all over the world, is a widespread surname. The last name Sergio is characteristic of Mexico, where it is a common surname, Nicaragua, and Spain (explore the name in all countries). In absolute terms, it is commonest in Mexico, Spain, and Argentina. More prevalently, Sergio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergio, Sérgio | Brazil, Italy, Spain, Argentina, Mexico |
| Sergius | Philippines, Brazil, Italy, Spain, United States |
| سيرجيو | Saudi Arabia, Libya, Iraq, Sudan, Morocco |
| Серхио, Сергио | Russia |
| סרחיו | Israel |
| Серджо | Ukraine, Russia, Belarus |
Serge, Sergei, Sergej, Sergejs, Sergejus, Sergey, Serghei, Sergi, Sergios, Sergiu, Sergiusz, Sergiò, Sergió, Sergiô, Sergiõ, Serguei, Sergueï, Serguéi, Sergìo, Sergío, Sergîo, Sergïo, Sergıo, Serhij, Serxio, Serģio, Seŕgio, Seŕgíő, Siarhei, Siarhej, Siarhiej, Siergiej, Syarhey, Szergej, Sèrgio, Sèrgìò, Sérgió, Sérgío, Sérgíó, Sérgïo, Sêrgio, Sêrgîo, Sêrgîô, Sêrgïô, Sërgio, Sërgîo, Sërgïo, Sërgïô, Sėrgio, Sęrgio, Sǝrgio, Ŝèrĝiô, Šergio, Σέργιος, Папа, Сергей, Сергий, Сергиос, Сергиус, Сергиуш, Сергій, Сергіо, Серджио, Серджу, Серджіо, Серж, Сержи, Сержио, Сержиу, Серхи, Серхіо, Серый, Серёга, Сяргей, סרג'ו, סרג'י, סרג'יו, סרגיוס, סרגיי, سرجيوس, سيرج, سيرجي, سيرخيو, سيرغي, เซอร์จิโอ, セルゲイ, セルジョ, and セルヒオ
| tommaso sergio (b. 1677) |
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| giovanni antonio sergio IT (b. 1705) |
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| giovanni sergio IT (b. 1766) |
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lisa sergio Italian radio news broadcaster, US (b. 1905) |
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raffaele sergio Italian association football manager and association football player, IT (b. 1966) |
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stefano sergio volleyball player, IT (b. 1986) |
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nicola sergio IT (b. 1978) |
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| mario sergio Canadian politician, CA (b. 1940) |
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| osvaldo sergio (b. 1931) |
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| michael sergio American actor, filmmaker, and celebrity baseball fan, US (b. 1950) |
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| francesco straniero sergio Italian linguist (1959-2011), IT (b. 1959) |
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| luigino sergio IT (b. 1955) |
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| roberto sergio IT (b. 1960) |
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| gianfranco sergio (b. 1961) |
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| tony de sergio (b. 1966) |
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