Cognomen Christianto (Christianto 
) , globally, is a common family name. The cognomen Christianto is characteristic of Indonesia, where it is quite a rare surname, Singapore, where it is a rare surname, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Indonesia, China, and the United States. Very seldom, Christianto is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Christianto | Australia, China, United States, Singapore, Indonesia |
| christianto wibisono Indonesian writer-activist, ID (b. 1945) |
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| christian christianto badminton player, US (b. 1989) |
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| bayu christianto |
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| christianto ario wibowo indonesian singer (b. 1994) |
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