Surname Ignatavičius (Ignatavičius 
, Игнатавичюс 
) , throughout the world, is a very rare family name. The last name Ignatavičius is habitual in Lithuania, where it is quite a rare surname, Belarus, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Ignatavičius | Lithuania |
| Игнатавичюс | Belarus, Kazakhstan |
| algimantas ignatavičius Australian basketball player, LT (b. 1931) |
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| eugenijus ignatavičius LT (b. 1935) |
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| stasys ignatavičius LT (b. 1958) |
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