Last name Santhià (Santhià 
) , worldwide, is a very rare family name. The family name Santhià is habitual in Southern Europe, particularly Italy, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Santhià | Italy |
|
ignazio da santhià Italian priest, Capuchin, and saint of the Catholic Church, IT (b. 1686) |
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| giuseppe santhià Italian bicycle racer (1886-1978), IT (b. 1886) |
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| battista santhià IT (b. 1898) |
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| giuseppe santhià IT |
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