In Croatia, Folnožić families are Croats (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak.
Prevalence
About 20 people with faimily name Folnožić live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Greda (15) and Velika Buna (<5).
Outside Croatia
Family name Folnožić is present in this form only in Croatia.