Family name Qihan (Qihan 
, 启汉 , 其汉 ) , around the world, is a rare last name. The last name Qihan is characteristic of Singapore, where it is a rare surname, China, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. More prevalently, Qihan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Qihan | Australia, Singapore, United States, Malaysia, China |
| 启汉, 其汉, 启涵 | China |
企晗, 其函, 其含, 其寒, 其旱, 其晗, 其汗, 其涵, 其瀚, 其焊, 其罕, 其翰, 其菡, 其韩, 启函, 启含, 启寒, 启撼, 启晗, 启汗, 启浛, 启瀚, 启翰, 启菡, 启邯, 启韩, 啓函, 啓涵, 啓菡, 啟汉, 啟漢, 圻涵, 奇函, 奇含, 奇寒, 奇憨, 奇撼, 奇晗, 奇汉, 奇涵, 奇瀚, 奇罕, 奇翰, 奇菡, 奇韩, 妻罕, 婍菡, 屺翰, 岂寒, 崎晗, 崎汉, 崎涵, 弃寒, 旗汉, 期汉, 期罕, 杞涵, 杞翰, 栖寒, 栖涵, 栖菡, 棋寒, 棋汉, 棋涵, 棋瀚, 棋焓, 棋菡, 棨瀚, 歧旱, 歧汉, 气汉, 泣寒, 淇晗, 淇涵, 淇瀚, 淇菡, 玘含, 玘晗, 玘涵, 琦函, 琦寒, 琦晗, 琦汉, 琦涵, 琦瀚, 琦罕, 琦翰, 琦菡, 琪函, 琪含, 琪寒, 琪捍, 琪晗, 琪汉, 琪浛, 琪涵, 琪瀚, 琪菡, 琪酣, 琪韩, 祁函, 祁寒, 祁涵, 祁罕, 祁翰, 祈晗, 祈涵, 祈翰, 祺函, 祺寒, 祺晗, 祺汉, 祺涵, 祺瀚, 祺翰, 綦涵, 绮寒, 绮晗, 绮汉, 绮浛, 绮涵, 绮焓, 绮菡, 绮韩, 芪瀚, 起含, 起晗, 起汉, 起涵, 起翰, 起韩, 錡含, 锜含, 颀晗, 颀涵, 骐含, 骐瀚, 鳍涵, 麒寒, 麒汉, 麒涵, 麒瀚, 麒翰, 齐含, 齐汉, 齐汗, 齐涵, 齐瀚, 齐翰, and 齐韩