Last name Xiaosong (Xiaosong 
, 孝松 , 效松 ) , in the world, is quite a rare family name. The last name Xiaosong is habitual in Sri Lanka, where it is a rare surname, China, and the United States, where it is an extremely rare surname. More frequently, Xiaosong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Xiaosong | China, Sri Lanka, Taiwan, United States, Canada |
| 孝松, 小淞, 效松 | China |
Хиаосонг, 効松, 哓嵩, 哓松, 哮松, 啸崧, 啸嵩, 啸松, 孝宋, 孝崧, 孝嵩, 孝淞, 孝送, 孝颂, 宵嵩, 宵松, 小凇, 小宋, 小崧, 小嵩, 小怂, 小松, 小耸, 小菘, 小送, 小颂, 小鬆, 效嵩, 晓倯, 晓凇, 晓宋, 晓崧, 晓嵩, 晓怂, 晓松, 晓淞, 晓耸, 晓菘, 晓送, 晓鍶, 晓颂, 曉怂, 曉松, 曉鬆, 枭松, 校崧, 校松, 校颂, 潇崧, 潇嵩, 潇松, 潇淞, 笑凇, 笑崧, 笑嵩, 笑松, 笑淞, 笑诵, 笑送, 笑颂, 筱凇, 筱宋, 筱嵩, 筱松, 筱淞, 筱耸, 筱菘, 筱颂, 箫松, 肖宋, 肖嵩, 肖松, 萧嵩, 萧松, 萧淞, 霄嵩, 霄松, 霄耸, 霄颂, 骁崧, 骁嵩, and 骁松