Throughout the world, Gualdino (Gualdino 
) is a rare boy's given name. The given name Gualdino is habitual in Portugal, where it is a rare masculine name, Brazil, and Argentina, where it is a very rare male name. Likewise, Gualdino is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Gualdino | Portugal, Brazil, Angola, France, United States |
| gualdino de campos Portuguese folklorist, PT (b. 1846) |
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gualdino do carmo da silva TL |
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| gualdino alfredo lobo de gouveia valadares politician |
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| gualdino mauro São Toméan footballer, ST |
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