Surname Rusteikaitė (Rusteikaitė 
) , all over the world, is a very rare last name. The family name Rusteikaitė is habitual in Northern Europe, particularly Lithuania, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rusteikaitė | Lithuania |
| marija rusteikaitė LT (b. 1892) |
|