Surname Троицкая (Троицкая 
, Troitskaya 
, Troickaja) , all around the world, is quite a common family name. The cognomen Троицкая is characteristic of British Virgin Islands, where it is quite a common surname, Russia, where it is quite a rare surname, and Kazakhstan. Not in comparison with a country's population, the name is most common in Russia, Kazakhstan, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Троицкая | Belarus, Ukraine, Russia, Kyrgyzstan, Kazakhstan |
| Troitskaya | Japan, Spain, Russia, Germany, United States |
| Troickaia | Georgia |
Troickaya, Troitskaia, and Troitskaja
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троицкая, зинаида петровна RU (b. 1913) |
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| троицкая, александра сергеевна Russian microbiologist (1896-1979), RU (b. 1896) |
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| троицкая, варвара ивановна UA (b. 1894) |
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| троицкая, надежда алексеевна RU (b. 1917) |
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| татьяна николаевна троицкая GE (b. 1925) |
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| троицкая, наталья леонидовна Russian operatic soprano, RU (b. 1951) |
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троицкая, александра сергеевна sportsperson, KZ |
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| виктория николаевна троицкая short track speed skater, RU (b. 1969) |
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Де, Инна, Соня, Таня, Роза, Юлия, Клара, Ксюша, Мария, Марта, Лола, Млада, Алиса, Алена, Алёна, Аниса, Анюта, Арина, Галия, Дарья, Диана, Алина, Лиза, Лера, Лена, Ия, Аня, Зоя, Лия, Оля, Ира, Ева, Яна, Юля, Катя, Майя, Маша, Алла, Анна, Галя, Даша, Дина, Надя, Нина, Вера, Вика, Настя, and Нелли