Last name Dousia (Дуся 
, Dousia 
) , worldwide, is a very rare family name. The family name Dousia is habitual in Armenia, where it is a rare surname, Belarus, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it is commonest in Russia, Armenia, and Belarus. More prevalently, Dousia is the forename as well as the last name.