Cognomen Hiiesalu (Hiiesalu 
) , all over the world, is a rare family name. The surname Hiiesalu is habitual in Estonia, where it is quite a rare surname, Finland, where it is a rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hiiesalu | Germany, Finland, United States, Estonia |
|
lembit hiiesalu Estonian mountaineer, EE (b. 1956) |
|
| harri hiiesalu Estonian rower, EE (b. 1953) |
|
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| inga hiiesalu researcher |
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