Surname Peko-Lončar (Peko-Lončar 
) , all over the world, is a very rare cognomen. The surname Peko-Lončar is habitual in Southern Europe, particularly Croatia, where it is a rare surname. Parts of the name also exists independently as a last name Peko, and a last name Lončar.
| VARIANT | COUNTRY |
|---|---|
| Peko-Lončar | Croatia |