Surname Ильясова (Ильясова 
, Ilyasova 
, Iliasova 
) , across the world, is a common last name. The last name Ильясова is characteristic of Kazakhstan, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and Russia. Much less frequently, Ильясова is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ильясова | Kazakhstan, Uzbekistan, Russia, Kyrgyzstan, Belarus |
| Ilyasova | Azerbaijan, Uzbekistan, Kazakhstan, Russia, Turkmenistan |
| Iliasova | Kazakhstan, Russia, Georgia, United States, Slovakia |
| ильясова, лидия михайловна RU (b. 1935) |
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| ильясова, рысжан ильясовна KZ (b. 1937) |
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| ильясова, гульдар музафаровна actor, RU (b. 1954) |
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| ильясова, юмабика салахетдиновна Russian poet and writer, RU (b. 1957) |
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| ильясова, зухра хамитовна RU (b. 1950) |
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| майра ильясова KZ (b. 1956) |
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