Surname Haac (Haac 
) , all around the world, is a very rare family name. The last name Haac is characteristic of Germany, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. Much less frequently, Haac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Haac | Canada, United States, United Kingdom, Ireland, Germany |
| oscar a. haac American writer, US (b. 1918) |
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| ryan haac researcher (ORCID 0000-0002-7102-7425) |
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| bryce haac researcher |
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