Lujanac families are Croats and they are mostly from Pakrac. In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac and Zagreb.
Prevalence
About 120 people with faimily name Lujanac live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 12 cities and 13 other places, mostly in Zagreb (25), Badljevina (25), Daruvar (10), Bjelovar (<10), and in Kutina (<10).
Outside Croatia
Family name Lujanac is present in four countries on two continents. The family name "Lujanac " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.