Cognomen Yanchen (Yanchen 
, 彦臣 , 延臣 ) , all over the world, is quite a rare family name. The family name Yanchen is habitual in Malaysia, where it is a rare surname, China, and India, where it is an extremely rare surname. More frequently, Yanchen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yanchen | China, United States, Malaysia, India, Australia |
| 艳臣, 彦臣, 延臣 | China |
Янчен, Яньчен, 严晨, 严沈, 严琛, 严臣, 严辰, 严陈, 俨宸, 厌尘, 妍忱, 妍晨, 妍琛, 妍臣, 妍辰, 妍陈, 嫣晨, 嫣臣, 嬿宸, 嬿琛, 宴晨, 宴臣, 宴辰, 岩宸, 岩尘, 岩忱, 岩晨, 岩琛, 岩臣, 岩辰, 延宸, 延忱, 延晨, 延沈, 延沉, 延琛, 延衬, 延趁, 延辰, 延郴, 彥辰, 彦宸, 彦尘, 彦忱, 彦晨, 彦橙, 彦琛, 彦茞, 彦趁, 彦辰, 彦陈, 晏宸, 晏晨, 晏琛, 晏臣, 晏辰, 殷忱, 殷晨, 殷辰, 沿尘, 沿橙, 沿琛, 沿臣, 沿辰, 湮尘, 滟辰, 演晨, 演臣, 炎宸, 炎晨, 炎橙, 炎琛, 炎臣, 炎辰, 炎郴, 焉尘, 焰尘, 焰晨, 焰琛, 焰臣, 焱宸, 焱晨, 焱琛, 焱臣, 焱辰, 焱郴, 燕宸, 燕忱, 燕晨, 燕橙, 燕沈, 燕琛, 燕臣, 燕辰, 燕郴, 燕陈, 琰宸, 琰晨, 琰琛, 琰辰, 盐橙, 眼晨, 研忱, 研晨, 研臣, 研辰, 砚尘, 砚忱, 砚晨, 砚沉, 砚琛, 砚臣, 砚辰, 碞琛, 筵琛, 艳忱, 艳晨, 艳橙, 艳沉, 艳琛, 艳趁, 艳辰, 艳郴, 艳陈, 艶晨, 衍宸, 衍尘, 衍忱, 衍晨, 衍橙, 衍琛, 衍臣, 衍辰, 言宸, 言尘, 言晨, 言琛, 言臣, 言辰, 言陈, 谚晨, 谚辰, 闫晨, 雁宸, 雁尘, 雁晨, 雁琛, 雁硶, 雁臣, 雁辰, 雁郴, 雁陈, 颜尘, 颜晨, 颜沈, 颜琛, 颜臣, 颜辰, 龑宸, and 龑晨
Ma, Xia, Xie, Meng, Song, Chen, Peng, Ding, Dong, Gong, Tang, Wang, Yang, Zhao, Zhou, Xiao, Shang, Dolma, Jiang, Zhang, Zheng, Sherpa, Zhu, Zou, Wei, Han, Su, Du, Li, Lu, Ji, Hu, Wu, Yu, Qu, Qi, Bhutia, Xu, Shi, Sun, Cao, Pan, Ren, Gao, Guo, Lin, Liu, Lou, Men, and Melchione