Around the world, Teodosio (Teodosio 
, Феодосий 
, Teodósio 
) is quite a common masculine forename. The forename Teodosio is characteristic of Peru, where it is quite a common boy's name, Italy, where it is quite a rare male name, and Paraguay. Not in comparison with a country's population, the name is most common in Peru, Italy, and Mexico. Also, Teodosio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Teodosio | Spain, Peru, Philippines, Mexico, Brazil |
| Феодосий | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Teodósio | Portugal, United Kingdom, United States, Brazil, Mozambique |
| Θεοδόσιος | Greece |
Fedosey, Theodosios, Theodosius, Théodose, Теодосий, Теодосио, Федосей, and Феодосій
| teodosio mingot Spanish painter, 1551-1590, ES (b. 1551) |
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| teodosio mingot Spanish painter (c.1590-1620), ES (b. 1590) |
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| teodosio sánchez de rueda (b. 1676) |
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teodosio lares Mexican philosopher (1806-1870), MX (b. 1806) |
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teodosio vesteiro Spanish journalist, poet and writer, ES (b. 1847) |
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teodosio ausin Spanish writer (1858-1903), ES (b. 1858) |
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| teodosio kujamgi SY (b. 1805) |
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| teodosio canto Mexican military personnel (1825-1907), MX (b. 1825) |
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| teodosio de dominicis Italian politician, IT (b. 1834) |
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| teodosio maria gargiulo Roman Catholic bishop (b. 1845) |
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| teodosio carranza Salvadoran politician, SV (b. 1846) |
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| teodosio somigli Italian Franciscan friar (1864-1929), IT (b. 1864) |
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| teodosio moreno quintana Roman Catholic bishop (b. 1898) |
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| teodosio martínez ramos Mexican Catholic priest, MX (b. 1908) |
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| teodosio aguirre Chilean association football player (1910-2011), CL (b. 1910) |
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