Last name Qizhu (启柱 
, 其柱 , Qizhu 
) , throughout the world, is a rare cognomen. The surname Qizhu is characteristic of China, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. More frequently, Qizhu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 其柱, 启柱 | China |
| Qizhu | Canada, China, United States |
七丶, 七柱, 七猪, 七珠, 七竹, 亓丶, 企祝, 其主, 其住, 其助, 其注, 其烛, 其珠, 其祝, 其竹, 其筑, 其诸, 其贮, 其铢, 其铸, 启主, 启住, 启助, 启朱, 启注, 启珠, 启砫, 启祝, 启竹, 启竺, 启筑, 启铸, 啟柱, 啟竹, 器丶, 器朱, 器猪, 器豬, 奇丶, 奇助, 奇柱, 奇猪, 奇珠, 奇竹, 奇铸, 妻丶, 屺侏, 岐丶, 岐柱, 岐祝, 弃丶, 戚丶, 旗柱, 期主, 期助, 期柱, 杞竹, 柒丶, 柒柱, 柒潴, 柒珠, 栖竹, 棄丶, 棋柱, 气丶, 气朱, 气猪, 气珠, 气竹, 気丶, 気潴, 氣丶, 氣潴, 氣瀦, 淇株, 淇珠, 淇竹, 琦丶, 琦助, 琦猪, 琦珠, 琦竹, 琦铢, 琪丶, 琪柱, 琪猪, 琪珠, 琪竹, 碛诸, 祈竹, 祈铸, 祺丶, 祺主, 祺朱, 祺珠, 祺铸, 绮柱, 绮猪, 绮珠, 蕲竹, 起丶, 起住, 起柱, 起株, 起珠, 起祝, 起竹, 蹊竹, 颀竹, 麒丶, 麒朱, 麒瞩, 麒竹, 麒铸, 齐丶, 齐主, 齐柱, 齐珠, 齐祝, and 齐铸