Cognomen Weiwu (伟武 
, 维武 , 威武 ) , in all the world, is quite a rare family name. The surname Weiwu is habitual in China, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Weiwu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 伟武, 维武, 威武 | China |
| Weiwu | China, Spain, Taiwan, Thailand, United States |
为五, 为伍, 为务, 为午, 为吾, 为悟, 为无, 为武, 为物, 伟五, 伟伍, 伟务, 伟勿, 伟午, 伟吾, 伟於, 伟无, 伟梧, 伟舞, 伟铻, 伟鹜, 伪伍, 伪武, 位武, 偉乄, 卫五, 卫仵, 卫伍, 卫午, 卫吴, 卫吾, 卫无, 卫梧, 卫武, 卫舞, 味屋, 味无, 唯五, 唯吾, 唯武, 唯物, 围五, 委巫, 委武, 威五, 威伍, 威午, 威吾, 威屋, 威悟, 威无, 尉午, 尉武, 尾悟, 尾无, 巍无, 巍武, 微武, 惟午, 惟悟, 惟武, 慰吾, 慰武, 未五, 未吾, 未无, 未武, 未蜈, 渭武, 炜伍, 炜午, 炜吾, 炜妩, 炜悟, 炜武, 炜鋈, 煒武, 玮吾, 玮婺, 玮武, 畏吴, 畏吾, 畏无, 維屋, 緯武, 纬五, 纬武, 维乌, 维五, 维伍, 维务, 维午, 维吴, 维吾, 维呜, 维无, 维梧, 维物, 维珷, 维舞, 苇鋈, 菋勿, 葳无, 蔚午, 蔚武, 蔚舞, 蔚芜, 薇午, 薇巫, 谓吾, 谓无, 谓武, 韦伍, 韦午, 韦武, 韦物, 韦误, 魏伍, 魏吴, and 魏武