Family name 孝雄 (Xiaoxiong 
, 孝雄 ) , in all the world, is a rare last name. The surname 孝雄 is characteristic of Spain, where it is a very rare surname, China, and Chile, where it is an extremely rare surname. More frequently, 孝雄 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Xiaoxiong | Japan, Spain, China, Singapore, United States |
| 孝雄 | China |
| 黒川 孝雄 Japanese businessman, JP (b. 1934) |
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| 草原 孝雄 Japanese mangaka and illustrator, JP (b. 1940) |
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| 山尾 孝雄 Japanese baseball player, JP (b. 1941) |
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