In Croatia, Othman families are Croats (from Ludbreg ).
Prevalence
About 10 people with faimily name Othman live in Croatia today, in five households only. They are located in 6 Croatian counties, in 6 cities and two other places, mostly in Ludbreg (<5), Zagreb (<5), Pula (<5), Cakovec (<5), and in Matulji in Opatija area (<5).
Outside Croatia
Family name Othman (including: Othmann , Hothman ) is present in 97 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1930 in source Emigration Commission Zagreb.