Latas (Serbian: Латас) is a surname, found in many countries in Europe, mainly in Serbia, Poland, Croatia, but also Spain and Portugal from Middle Ages. However their mutual geographical and lexical origin is undetermined.
This surname in the countries of ex-Yugoslavia is not tied to any ethnicity or confession, yet territory (Dinara). Croatian linguist, Petar Šimunović, derived Lat from personal name Láto (Latif), meaning gentle. The second part as is ending suffix, mostly found in personal names among Vlach pastoralist communities from Dinara.
Petras, Juras, Lukas, Maras, Baras, Brnas, Pavas, Matas, Latas etc. Nisu dakle ta prezimena konfesionalno i etnički, nego teritorijalno prepoznatljiva ... Najčešće ga pratim na osobnim imenima i prezimenima Dinarskim gorjem, gdje je bilo rasprostranjeno i vlaško pučanstvo ... Prezimena na -as prostiru se u Hrvatskoj uglavnom Dinarskim gorjem. Ta su se prezimena selila, dakle, putovima srednjovjekovnih Vlaha i Albanaca i -as nalazimo često u njihovim prezimenima.