Family name Халмет (Халмет 
, Halmet 
, Xalmet 
) , in the world, is a rare cognomen. The last name Халмет is habitual in Finland, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Australia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Finland, Kyrgyzstan, and Spain. Likewise, Халмет is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Халмет | Kyrgyzstan, Kazakhstan |
| Halmet | Greece, Australia, Mexico, United States, Finland |
| Xalmet | Spain |