Family name Mitkus (Mitkus 
, Миткус 
) , globally, is a rare surname. The last name Mitkus is habitual in Lithuania, where it is quite a common surname, Latvia, where it is a rare surname, and Belarus, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Lithuania, Brazil, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Mitkus | Argentina, Lithuania, Brazil, United States, Latvia |
| Миткус | Kazakhstan, Russia, Belarus |
| witold mitkus RU (b. 1889) |
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| jeronimas mitkus Lithuanian Righteous Among the Nations, LT (b. 1913) |
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| leonas mitkus (b. 1942) |
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| sigitas mitkus Lithuanian docent, engineer and university teacher, LT (b. 1962) |
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| stanislavas mitkus Lithuanian Righteous Among the Nations, LT |
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| mindaugas mitkus researcher |
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| ben mitkus Artist, LT (b. 1994) |
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Mr, Enio, Enzo, Vera, Otto, Yuri, Maria, Sarah, Shawn, Susan, Sonia, Alice, April, Carla, Brian, Bruno, Karen, Katia, Katie, Paulo, Peter, Rokas, Eric, Elsa, Tony, Jean, Ms, Ana, Ben, Ken, Deb, Xan, Mary, Mare, Matt, Adao, Rytis, Cide, Rosa, Ruby, Lori, Luci, Luis, Luiz, Luan, Jose, John, Joao, Rasa, and Derek