Surname 宏一 (宏一 
) , around the globe, is a rare last name. The last name 宏一 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More prevalently, 宏一 is the forename as well as the last name.
| 生田 宏一 (b. 1905) |
|
|
| 久山 宏一 Japanese linguist, JP (b. 1958) |
|