Last name 佐堂 (佐堂 
) , in all the world, is a very rare cognomen. The family name 佐堂 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 佐堂 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 佐堂 | China |