Globally, Thornhill (Thornhill 
) is a very rare dominantly masculine, but infrequently female first name. The given name Thornhill is habitual in Sub-Saharan Africa, particularly South Africa, where it is a very rare boy's name. Much more frequently, Thornhill is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thornhill | Australia, South Africa, Canada, United Kingdom, United States |
Thornhill is also a name for the fictitious and mythical characters: .
| bache thornhill Peerage person ID=511796 |
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| sir john de thornhill - 1322 |
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| sir brian de thornhill Aft 9 Jul 1301 - Aft 8 Dec 1365 (before 1371) |
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| sir joseph thornhill |
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