Surname Bysu (Bysu 
) , globally, is a rare cognomen. The cognomen Bysu is characteristic of Southern Asia, particularly India, where it is a very rare surname. Very seldom, Bysu is the forename as well as the last name.
Iwona, Shrinu, Ramaiah, Mariamma, Saidamma, Anagamma, Punnaiah, Rangamma, Venkaiah, Achchamma, Ramulamma, Lakshmamma, Eeshvaramma, Srinivasarao, and Enkateshwarlu