Last name 秋堂 (秋堂 
, Qiutang 
) , in the world, is a rare surname. The cognomen 秋堂 is habitual in China, where it is a very rare surname, Chile, where it is an extremely rare surname, and Spain. More prevalently, 秋堂 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 秋堂 | China |
| Qiutang | Chile, China, Spain |