Last name Болгарчук-Дємєхіна (Болгарчук-Дємєхіна 
) , in the entire world, is an extremely rare cognomen. The last name Болгарчук-Дємєхіна is characteristic of Eastern Europe, particularly Ukraine, where it is an extremely rare surname. Parts of the name also exists independently as a last name Болгарчук, and a last name Дємєхіна.
| VARIANT | COUNTRY |
|---|---|
| Болгарчук-Дємєхіна | Ukraine |