Surname Дземідовіч (Demidovich 
, Дземідовіч , Dzemidovich 
) , all over the world, is a rare cognomen. The surname Дземідовіч is habitual in Reunion, where it is quite a common surname, Belarus, where it is quite a rare surname, and Latvia. In absolute terms, it most frequently occurs in Belarus, the United States, and Russia.
| VARIANT | COUNTRY |
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| Demidovich | Russia, Belarus, Reunion, United States, Argentina |
| Дземідовіч | Belarus |
| Dzemidovich | Poland, United States, Belarus |
| Demidowitsch | Germany |
| павел пятровіч дземідовіч BY (b. 1871) |
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алег дземідовіч BY (b. 1965) |
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| уладзімір сцяпанавіч дземідовіч BY (b. 1937) |
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| васілій мікалаевіч дземідовіч BY (b. 1961) |
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| вадзім уладзіміравіч дземідовіч Belarusian footballer, BY (b. 1985) |
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| аляксандр дземідовіч Belarusian footballer, BY (b. 1989) |
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| юрый ігаравіч дземідовіч Belarusian musician, BY (b. 1996) |
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