Cognomen Ilkovič (Ilkovič 
, Илькович 
, Ільковіч 
) , in the world, is a rare last name. The last name Ilkovič is characteristic of Eastern Europe, particularly Slovakia, where it is a rare surname, Belarus, and Russia, where it is a very rare surname.
| dionýz ilkovič Slovak chemist, physicist and educator (1907-1980), SK (b. 1907) |
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| alexej ilkovič Ukrainian journalist (1910–1944) (b. 1910) |
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