Throughout the world, 철주 (철주 
) is a rare male first name. The first name 철주 is habitual in Eastern Asia, particularly South Korea, where it is a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| 철주 | South Korea |
|
김철주 soldier and younger brother of Kim Il-sung deceased in battle, KP (b. 1916) |
|
| 신철주 KR (b. 1938) |
|
|
| 주철주 KR (b. 1946) |
|
|
| 김철주 South Korean military personnel, KR (b. 1957) |
|
|
| 손철주 KP |
|