Cognomen Xiandi (Xiandi 
, 先娣 , 仙娣 ) , worldwide, is a rare surname. The surname Xiandi is habitual in Eastern Asia, particularly China, where it is a very rare surname. More frequently, Xiandi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Xiandi | China, United States, Malaysia |
| 先弟, 先娣, 仙娣 | China |
仙俤, 仙嫡, 仙帝, 仙弟, 仙蒂, 仙迪, 先堤, 先帝, 先棣, 先涤, 先狄, 先第, 先缔, 先蒂, 先迪, 先頔, 县娣, 咸娣, 咸弟, 咸第, 咸迪, 娴娣, 娴嫡, 娴荻, 娴迪, 嫌娣, 宪娣, 宪嫡, 宪帝, 宪弟, 宪棣, 宪狄, 宪笛, 宪迪, 显堤, 显娣, 显帝, 显弟, 显棣, 显狄, 显笛, 显第, 显迪, 显递, 显頔, 献娣, 献帝, 献弟, 献棣, 献第, 献翟, 献谛, 献迪, 现娣, 现弟, 现翟, 现迪, 线娣, 线弟, 羡娣, 羡嫡, 羡弟, 羡笛, 藓邸, 諴蔋, 贤堤, 贤娣, 贤嫡, 贤帝, 贤弟, 贤杕, 贤棣, 贤氐, 贤狄, 贤第, 贤迪, 鲜娣, and 鲜弟