Last name بیسو (Bisu 
, بیسو 
) , around the world, is quite a rare cognomen. The last name بیسو is habitual in Romania, where it is quite a rare surname, Qatar, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in India, Romania, and Bangladesh. More frequently, بیسو is the forename as well as the last name.