Cognomen Weichen (Weichen 
, 玮琛 , 卫臣 ) , around the world, is a rare family name. The cognomen Weichen is characteristic of Singapore, where it is a very rare surname, China, and Malaysia. More frequently, Weichen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Weichen | Australia, China, United States, Singapore, Hungary |
| 卫臣, 韦辰, 玮琛 | China |
Weechen, Weich, Weiche, เว่ยเฉิน, 为宸, 为尘, 为忱, 为晨, 为沈, 为琛, 为臣, 为辰, 为陈, 伟宸, 伟尘, 伟忱, 伟晨, 伟橙, 伟沈, 伟琛, 伟臣, 伟辰, 伟郴, 伟陈, 位橙, 位臣, 位陈, 偉宸, 偉臣, 卫宸, 卫忱, 卫晨, 卫琛, 卫趁, 卫辰, 卫郴, 卫陈, 味尘, 味橙, 味陈, 唯宸, 唯尘, 唯忱, 唯晨, 唯琛, 唯臣, 唯辰, 唯陈, 围臣, 委陈, 威晨, 威橙, 威琛, 威臣, 威辰, 威陈, 尉宸, 尉晨, 尉橙, 尉琛, 尉臣, 尉辰, 尾辰, 巍晨, 巍橙, 巍琛, 巍臣, 巍辰, 巍郴, 微尘, 微忱, 微晨, 微橙, 微辰, 惟晨, 惟橙, 惟琛, 惟臣, 惟辰, 慰忱, 慰晨, 慰琛, 慰臣, 暐宸, 暐琛, 未尘, 未晨, 未琛, 未臣, 未襯, 未辰, 洧宸, 洧晨, 洧臣, 洧辰, 渭宸, 渭晨, 渭琛, 渭臣, 渭辰, 潍宸, 潍晨, 潍臣, 潍辰, 炜宸, 炜尘, 炜忱, 炜晨, 炜琛, 炜臣, 炜辰, 炜郴, 為臣, 爲嗔, 玮宸, 玮尘, 玮忱, 玮晨, 玮臣, 玮辰, 瑋宸, 瑋辰, 畏辰, 維晨, 纬宸, 纬晨, 纬琛, 纬臣, 纬辰, 维宸, 维尘, 维忱, 维晨, 维橙, 维沈, 维沉, 维琛, 维臣, 维趁, 维辰, 维陈, 苇晨, 苇橙, 苇辰, 苇陈, 葦陳, 葳晨, 葳辰, 蒍塵, 蔚宸, 蔚忱, 蔚晨, 蔚橙, 蔚琛, 蔚臣, 蔚辰, 薇宸, 薇尘, 薇晨, 薇臣, 薇辰, 薇陈, 韡宸, 韡晨, 韡琛, 韡辰, 韦宸, 韦晨, 韦琛, 韦臣, 韦郴, 韪尘, 頠諃, 魏晨, 魏琛, 魏臣, 魏辰, and 魏陈