Family name Shixu (世旭 
, 士旭 , 仕旭 ) , all over the world, is quite a rare cognomen. The surname Shixu is characteristic of China, where it is a rare surname, and Malaysia, where it is an extremely rare surname. More frequently, Shixu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 世旭, 仕旭, 士旭 | China |
| Shixu | Italy, China, United States, Malaysia, Canada |
Шиху, 世勖, 世吁, 世墟, 世序, 世徐, 世栩, 世煦, 世绪, 世续, 世胥, 世虚, 世许, 世谞, 世需, 世须, 事许, 仕序, 仕徐, 仕绪, 仕胥, 仕虚, 仕许, 仕须, 似旭, 使絮, 十旭, 史旭, 士勖, 士叙, 士徐, 士栩, 士煦, 士绪, 士续, 士虚, 士许, 士需, 奭旭, 始旭, 实旭, 实栩, 实虚, 峙旭, 峙煦, 师旭, 师栩, 师许, 希序, 希徐, 希旭, 希栩, 希煦, 希绪, 希须, 式旭, 式绪, 施徐, 施旭, 施栩, 时序, 时徐, 时旭, 时栩, 时续, 时许, 时需, 是徐, 是旭, 是栩, 是绪, 是许, 柿序, 氏旭, 石叙, 石旭, 石栩, 石绪, 石许, 詩栩, 识旭, 诗叙, 诗序, 诗旭, 诗栩, 诗珝, 诗絮, 诗绪, 诗续, 适序, 适栩, 适煦, 适绪, and 适续