Family name Hongou (Hongou ) , in the entire world, is an extremely rare surname. Much more prevalently, Hongou is the forename as well as the last name.
ホンゴウ, 宏乌, 宏欧, 泓欧, 洪欧, 洪藕, 洪鸥, 红偶, 红欧, 红藕, 红鸥, 虹鸥, 鸿欧, and 鸿鸥
Ji, Kim, and Deng