Family name Йона (Jona 
, Yona , Iona 
) , worldwide, is a common cognomen. The family name Йона is habitual in Bulgaria, where it is quite a common surname, Albania, and Tanzania (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Tanzania, Bulgaria, and Nigeria. More prevalently, Йона is the forename as well as the last name.