Last name Θεοφύλακτος (Θεοφύλακτος, Teofilatto 
) , around the world, is a very rare family name. The last name Θεοφύλακτος is habitual in Italy, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Teofilatto | Italy, Brazil |
| θεοφύλακτος σιμοκάτης early 7th-century Byzantine historian, EG (b. 580) |
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| θεοφύλακτος δαλασσηνός Byzantine aristocrat and general (b. 901) |
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| θεοφύλακτος λεκαπηνός Patriarch of Constantinople (b. 917) |
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| θεοφύλακτος βοτανειάτης Byzantine general and governor, MK (b. 1000) |
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θεοφύλακτος της οχρίδας Byzantine archbishop and saint, GR (b. 1055) |
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θεοφύλακτος παπαπαναγιώτου Greek politician, GR (b. 1908) |
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| θεοφύλακτος θεοφυλάκτου (1885-1961), GR (b. 1885) |
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| ιωάννης θεοφύλακτος Greek politician, GR (b. 1974) |
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| γιάννης θεοφύλακτος Greek politician, GR (b. 1974) |
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| γιάννης θεοφύλακτος GR (b. 1974) |
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| θεοφύλακτος θησεύς CY |
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