Around the globe, Thelmo (Thelmo 
) is quite a rare boy's first name. The given name Thelmo is habitual in Philippines, where it is a rare male name, Peru, and Nicaragua. Measured by absolute frequency, this name is the most popular in Philippines, Brazil, and Peru. Much less frequently, Thelmo is the last name as well as the forename.
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| Thelmo | Mexico, Venezuela, Philippines, Brazil, Peru |
| thelmo de almeida cruz Brazilian politician, BR (b. 1924) |
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| thelmo dutra de rezende Brazilian politician, BR (b. 1924) |
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| thelmo vargas madrigal Costa Rican politician and economist, CR (b. 1943) |
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| thelmo lins Brazilian journalist and actor, BR (b. 1963) |
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| thelmo alejandro lu-chau researcher ORCID ID = 0000-0003-4394-7432 |
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| thelmo pontes de araujo Ph.D. New York University 2003 |
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| thelmo martins "portinho" porto |
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| thelmo lauro müller |
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