Family name Yifen (Yifen 
, 义芬 , 宜芬 ) , around the world, is a rare last name. The cognomen Yifen is characteristic of Taiwan, where it is a rare surname, Singapore, and China, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in China, Taiwan, and Spain. More prevalently, Yifen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yifen | Taiwan, Japan, China, United States, Spain |
| 义芬, 宜芬, 毅芬 | China |
Йифен, Ыифен, 一份, 一分, 一坟, 一奋, 一棻, 一粉, 一纷, 一芬, 乁芬, 义分, 义奋, 义粉, 乙分, 乙氛, 乙芬, 亦分, 亦奋, 亦棻, 亦芬, 亿分, 亿奋, 亿芬, 以奋, 以粉, 以芬, 仪芬, 伊份, 伊粉, 伊芬, 佚芬, 依奋, 依芬, 倚芬, 壹份, 壹分, 壹粉, 壹芬, 壹鈖, 夷芬, 奕分, 奕奋, 奕汾, 奕芬, 姨芬, 宜分, 宜奋, 宜棻, 宜粉, 屹芬, 已芬, 异芬, 弈芬, 彝分, 忆奋, 忆芬, 怡奋, 怡棻, 怡纷, 怡芬, 意分, 意奋, 意粉, 意芬, 憶芬, 懿棻, 懿芬, 挹芬, 旖芬, 易芬, 椅芬, 毅分, 毅奋, 沂奋, 沂汾, 沂芬, 溢分, 溢芬, 漪芬, 熠芬, 疑芬, 益分, 益奋, 益汾, 益粉, 益芬, 矣偾, 祎芬, 移芬, 翊奋, 翊棻, 翊芬, 翌芬, 翼芬, 臆芬, 艺奋, 艺粉, 艺纷, 艺芬, 苡芬, 藝芬, 衣分, 衣粉, 衣芬, 裔芬, 议芬, 译分, 译芬, 诒奋, 诒芬, 谊芬, 贻分, 贻奋, 贻粉, 贻芬, 贻衯, 轶粉, 轶芬, 逸吩, 逸粉, 逸芬, 遗芬, 邑芬, 铱芬, and 颐芬