Surname 秋森 (秋森 
, Qiusen 
) , all over the world, is a rare last name. The family name 秋森 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More prevalently, 秋森 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 秋森 | China |
| Qiusen | China, Canada |