Surname 坂明宣 (坂明宣 
) , all around the world, is a very rare last name. The last name 坂明宣 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 坂明宣 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 坂明宣 | China |