All around the world, Hiddo (Hiddo 
) is a very rare unisex first name. The forename Hiddo is habitual in Netherlands, where it is a very rare boy's name, and India, where it is an extremely rare largely female, but seldom boy's name. Much less frequently, Hiddo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hiddo | Mexico, Netherlands, Canada, India, United States |
| hiddo van voërst (b. 1764) |
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| hiddo sinia (b. 1910) |
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| hiddo michiel jolles (b. 1928) |
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| hiddo arnold huitzing Ph.D. Rijksuniversiteit Groningen 2003 (b. 1974) |
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| hiddo j lambers heerspink researcher |
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| hiddo j l heerspink researcher |
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| hiddo wibius van der ploeg |
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De, Boomsema, Kuipers, Ommeren, Wolters, Schikker, Kostwinder, Beukema, Poelstra, Horlings, Huitzing, Hilboezen, Frericks, Wagenaar, Zuiderweg, Damminga, Uhlenbeck, Westra, Visser, Born, Boer, Hoon, Begam, Prevo, Laane, Voorst, Netto, Dirker, Didden, Netjes, Hasaki, Houben, Huitema, Mulder, and Van Voorst Tot Voorst