Cognomen Xiaowu (Xiaowu 
, 小伍 , 效武 ) , in the world, is quite a rare last name. The cognomen Xiaowu is habitual in China, where it is a rare surname, Spain, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More frequently, Xiaowu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Xiaowu | China, Colombia, Taiwan, United States, France |
| 晓伍, 效武, 小伍 | China |
哓伍, 哓吾, 哓武, 啸武, 啸舞, 嚻珷, 孝乄, 孝五, 孝伍, 孝务, 孝午, 孝吴, 孝吾, 孝坞, 孝悟, 孝无, 孝梧, 孝武, 孝舞, 孝雾, 宵吴, 宵舞, 小乌, 小五, 小仵, 小侮, 小儛, 小兀, 小务, 小勿, 小午, 小吴, 小吾, 小呜, 小妩, 小寤, 小屋, 小巫, 小悟, 小戊, 小於, 小无, 小梧, 小武, 小無, 小物, 小珷, 小痦, 小舞, 小芜, 小莁, 小蜈, 小误, 小雾, 小鹉, 效吾, 斅呉, 晓乌, 晓五, 晓兀, 晓务, 晓勿, 晓午, 晓吴, 晓吾, 晓呜, 晓坞, 晓妩, 晓娬, 晓婺, 晓屋, 晓巫, 晓悟, 晓戊, 晓於, 晓无, 晓晤, 晓梧, 晓武, 晓焐, 晓物, 晓舞, 晓芜, 晓邬, 晓鋈, 晓雾, 晓鹉, 暁乄, 曉武, 枭武, 校五, 校伍, 校午, 校武, 潇伍, 潇午, 潇无, 潇武, 潇浯, 潇舞, 潇鋈, 潇雾, 笑乌, 笑五, 笑儛, 笑午, 笑吴, 笑吾, 笑屋, 笑於, 笑武, 笑舞, 笑雾, 筱伍, 筱兀, 筱午, 筱吾, 筱妩, 筱巫, 筱无, 筱梧, 筱武, 筱舞, 箫武, 肖五, 肖午, 肖吾, 肖梧, 肖武, 肖舞, 萧吴, 萧武, 萧雾, 霄无, 霄武, 霄雾, 骁伍, 骁武, and 骁鹜