Last name Христиани (Cristiani 
, Khristiani 
, Христиани 
) , around the world, is quite a common family name. The family name Христиани is characteristic of Italy, where it is quite a rare surname, Uruguay, and El Salvador. Measured by absolute frequency, this name is the most popular in Italy, Indonesia, and Argentina. Also, Христиани is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cristiani | Mexico, Brazil, Italy, Argentina, Indonesia |
| Khristiani | Russia, Brazil, Indonesia |
| Христиани | Russia, Kazakhstan |
Christiani, Hristiani, and Khrystyany
| христиани, христиан христианович RU (b. 1787) |
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христиани, василий васильевич RU (b. 1841) |
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| христиани, василий христианович RU (b. 1798) |
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| альберт фридрих христиани EE (b. 1807) |
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| христиани, григорий григорьевич RU (b. 1863) |
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