Šikljan families are Croats and they are mostly from Banja Luka area (Bosnia). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Rijeka.
Prevalence
About 100 people with faimily name Šikljan live in Croatia today, in 40 households. They are located in 8 Croatian counties, in 7 cities and 21 other places, mostly in Rijeka (30), Dereza (10), Viskovo in Rijeka area (<10), Okucani in Nova Gradiska area (<10), and in Vojisnica in Duga Resa area (<10).
Outside Croatia
Family name Šikljan is present in this form only in Croatia.
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.