Surname Stepanovich (Степанович 
, Stepanovich 
, סטפנוביץ' ) , worldwide, is quite a common cognomen. The surname Stepanovich is characteristic of Kazakhstan, where it is quite a common surname, Belarus, where it is quite a rare surname, and Ukraine. Measured by absolute frequency, it most frequently occurs in Kazakhstan, Russia, and Belarus.
| VARIANT | COUNTRY |
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| Степанович | Kazakhstan, Ukraine, Kyrgyzstan, Belarus, Russia |
| Stepanovich | Israel, Belarus, United States, Russia, Argentina |
| סטפנוביץ' | Israel |
Stepanovitch, Stepanović, Stepanovič, Stipanovich, Анатолий, Володимир, Григорий, Дмитрий, Лев, Микола, Пётр, Степанових, Степановичь, Степановиш, Степановіч, and Яков
| kanash sergey stepanovich Soviet scientist (1896-1975), UZ (b. 1896) |
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amie stepanovich American lawyer |
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| kuz'min aleksandr stepanovich Russian mathematical physicist (1961-) (b. 1961) |
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| blake stepanovich researcher |
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| george stepanovich college basketball player (1956–1959) North Carolina State |
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| alex stepanovich American football player, US (b. 1981) |
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