Cognomen Halmo (Halmo 
) , in all the world, is a rare family name. The family name Halmo is habitual in Slovakia, where it is quite a common surname, Switzerland, where it is a rare surname, and Czechia. In absolute terms, the name is most common in Slovakia, the United States, and Switzerland. Likewise, Halmo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Halmo | Czechia, Switzerland, Slovakia, United States, Somalia |
|
mike halmo Canadian ice hockey player, CA (b. 1991) |
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| telesfor halmo SK (b. 1937) |
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| joan halmo (b. 1945) |
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| renata halmo |
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