Worldwide, Haldo (Haldo 
) is a rare masculine forename. The forename Haldo is habitual in Nicaragua, where it is a rare male name, Sweden, and Argentina, where it is a very rare boy's name. Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Mexico, Brazil, and Argentina. Also, Haldo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Haldo | Sweden, Philippines, Mexico, Argentina, Brazil |
| haldo hansson Swedish cross-country skier (1886-1921), SE (b. 1886) |
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| haldo gibson Swedish writer (1923-2007), SE (b. 1923) |
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| haldo vedin Swedish Esperantist, SE (b. 1939) |
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