Surname Ousawa (Ousawa ) , globally, is a rare cognomen. The cognomen Ousawa is habitual in Eastern Asia, particularly Japan, where it is a rare surname.
Aisawa, Aizawa, Ohsawa, Ohzawa, Osawa, Ozawa, Одзава, あいざわ, and おざわ
Arthur, and Akatsuki
) , globally, is a rare cognomen. The cognomen Ousawa is habitual in Eastern Asia, particularly Japan, where it is a rare surname.