Last name Kaiqi (Kaiqi 
, 开奇 , 开琪 ) , across the world, is a rare cognomen. The surname Kaiqi is characteristic of Singapore, where it is a rare surname, China, where it is a very rare surname, and Malaysia. More prevalently, Kaiqi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaiqi | China, United States, Malaysia, Singapore, Australia |
| 凯淇, 开琪, 开奇 | China |
凯亓, 凯其, 凯启, 凯圻, 凯奇, 凯契, 凯岐, 凯崎, 凯旗, 凯期, 凯棋, 凯玘, 凯琦, 凯琪, 凯祈, 凯祺, 凯绮, 凯芑, 凯萁, 凯褀, 凯起, 凯骐, 凯麒, 凯齐, 凱淇, 凱琦, 凱琪, 凱齊, 剀亓, 剀琦, 垲淇, 垲琪, 垲祺, 开七, 开俟, 开其, 开启, 开啓, 开啟, 开嘁, 开圻, 开岐, 开崎, 开旗, 开暣, 开期, 开杞, 开柒, 开桼, 开棋, 开淇, 开漆, 开琦, 开畦, 开砌, 开祁, 开祺, 开綦, 开萁, 开起, 开颀, 开騎, 开麒, 开齐, 恺其, 恺启, 恺圻, 恺奇, 恺岐, 恺崎, 恺棋, 恺淇, 恺琦, 恺琪, 恺祺, 恺绮, 恺骐, 恺麒, 恺齐, 愷祺, 愷麒, 慨奇, 慨麒, 铠其, 铠圻, 铠埼, 铠奇, 铠岐, 铠旗, 铠桤, 铠棋, 铠琦, 铠琪, 铠绮, 铠萁, 铠讫, 铠麒, 铠齐, 锴奇, 锴淇, 锴琦, 锴琪, 锴祺, 锴锜, 锴骐, 锴齐, 闿旗, and 闿颀