Last name Yanyou (延友 
, Yanyou 
) , in the entire world, is a rare family name. The surname Yanyou is characteristic of Malaysia, where it is a very rare surname, China, and Brazil, where it is an extremely rare surname. More frequently, Yanyou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 延友 | China |
| Yanyou | Canada, Brazil, United States, Malaysia, China |
Янёу, 严友, 严右, 严尤, 严有, 严游, 厌友, 堰邮, 奄怣, 妍幽, 妍有, 妍酉, 嫣友, 宴友, 宴由, 岩佑, 岩友, 岩有, 延优, 延佑, 延尤, 延悠, 延有, 延油, 延游, 延酉, 彥佑, 彥有, 彦优, 彦佑, 彦又, 彦友, 彦右, 彦尤, 彦忧, 彦悠, 彦攸, 彦有, 彦游, 彦酉, 晏佑, 晏友, 晏攸, 晏有, 殷友, 殷有, 沿友, 渰游, 演友, 演忧, 演游, 炎优, 炎友, 炎有, 炎酉, 烟友, 焉友, 焱友, 焱悠, 燕优, 燕友, 燕宥, 燕尤, 燕悠, 燕有, 燕油, 燕游, 燕莜, 燕酉, 琰游, 眼尤, 研友, 研幼, 研游, 砚友, 艳优, 艳友, 艳有, 艳油, 衍优, 衍佑, 衍友, 衍悠, 衍攸, 衍有, 衍油, 衍游, 言佑, 言友, 言有, 闫友, 雁优, 雁游, 颜佑, 颜友, 颜尤, 颜有, and 颜油
| yi yanyou Chinese university teacher |
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