Globally, Ernestino (Ernestino 
) is quite a common boy's first name. The given name Ernestino is habitual in Italy, where it is quite a rare boy's name, Mexico, and Brazil. Much less frequently, Ernestino is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ernestino | Mexico, Argentina, Italy, Brazil, Mozambique |
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ernestino ramella Italian football player/manager, IT (b. 1955) |
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| ernestino michelazzo Italian comics artist, IT (b. 1968) |
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| ernestino de souza gomes guarino researcher |
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| ernestino da costa gomes politician in São Tomé and Príncipe |
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