Family name Хоссейни (Hosseini 
, Хоссейни 
) , worldwide, is a common cognomen. The family name Хоссейни is characteristic of Iran, where it is quite a common surname, Sweden, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in Iran, Afghanistan, and the United States. Much less frequently, Хоссейни is the forename as well as the last name.