Family name 周作 (周作 
) , globally, is an extremely rare last name. Predominantly, 周作 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 周作 | China |
| 川口 周作 Japanese businessman, JP (b. 1979) |
|
|
| 大竹 周作 JP (b. 1969) |
|