Last name Ranso (Rang 
, Ranger , Ranso 
) , worldwide, is a common cognomen. The cognomen Ranso is characteristic of Jamaica, where it is quite a common surname, Bahamas, and Estonia, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in India, the United States, and Indonesia. Likewise, Ranso is the forename as well as the last name.