Last name 弘明 (Hongming , Hiroaki , 弘明 ) , all over the world, is quite a rare surname. The last name 弘明 is habitual in Japan, where it is quite a rare surname, Singapore, where it is a rare surname, and Belgium. Not in comparison with a country's population, the name is most common in Japan, China, and Malaysia. More prevalently, 弘明 is the forename as well as the last name.