Cognomen Dahlia (داليا 
, Dahlia 
, דליה 
, among others...) , globally, is a common family name. The surname Dahlia is habitual in Brunei, where it is quite a rare surname, Indonesia, and Egypt. In absolute terms, it is commonest in Indonesia, Egypt, and Sudan. More prevalently, Dahlia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| داليا | Sudan, Palestinian Territory, Egypt, Syria, Iraq |
| Dahlia | Indonesia, Egypt, Philippines, United States, Democratic Republic of the Congo |
| דליה | Israel |
| Далия | Kazakhstan, Russia, Kyrgyzstan, Belarus, Bulgaria |
| ダリア | Japan |
| Шорт | Russia, Ukraine |
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kat dahlia American rapper and songwriter, US (b. 1990) |
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| ria dahlia Indonesian politician (born 1971 in Pangkalpinang), ID (b. 1971) |
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| iis dahlia Indonesian singer and actor, ID (b. 1972) |
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| coco dahlia transgender porn star |
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| lia dahlia Indonesian political candidate, ID |
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| ana dahlia actress (b. 1983) |
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| thomas dahlia French swimmer, FR (b. 1990) |
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| kelsi dahlia |
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| santeri dahlia (b. 1994) |
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