Surname Вайткус (Вайткус 
, Vaitkus 
) , worldwide, is quite a rare cognomen. The family name Вайткус is habitual in Northern Europe, particularly Lithuania, where it is quite a common surname, Latvia, where it is quite a rare surname, and Ireland, where it is a rare surname. In absolute terms, it most frequently occurs in Lithuania, the United States, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Вайткус | Lithuania, Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| Vaitkus | Lithuania, Latvia, Australia, United Kingdom, United States |
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вайткус, миколас Lithuanian poet, LT (b. 1883) |
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вайткус, йонас Lithuanian film director, LT (b. 1944) |
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балис вайткус Lithuanian pianist, LT (b. 1963) |
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шарунас вайткус LT (b. 1975) |
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| вайткус, янис Latvian association football player, LV (b. 1984) |
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| николь евгеньевна вайткус figure skater |
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