Across the world, 一柳 (一柳 
) is a rare unisex first name. The given name 一柳 is habitual in Eastern Asia, particularly China, where it is a very rare epicene name. Very seldom, 一柳 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 一柳 | China |
Hitotsuyanagi, Ichiyanagi, Itiyanagi, イチリュウ, and ヒトツヤナギ
| 一柳直高 Japanese samurai, JP (b. 1529) |
|
|
| 一柳直末 Japanese samurai and damyo, JP (b. 1546) |
|
|
| 一柳直盛 Japanese military commander and daimyō, JP (b. 1564) |
|
|
| 一柳直家 Japanese Daimyo, JP (b. 1599) |
|
|
| 一柳直重 JP (b. 1598) |
|
|
| 一柳直頼 JP (b. 1602) |
|
|
|
一柳頼徳 Daimyo of Komatsu domain (1666-1724), JP (b. 1666) |
|
| 一柳直次 JP (b. 1623) |
|
|
| 一柳直興 JP (b. 1624) |
|
|
| 一柳直治 2nd daimyo of Iyo-Komatsu in the early Edo period, JP (b. 1642) |
|
|
| 一柳末礼 JP (b. 1649) |
|
|
| 一柳直昌 JP (b. 1657) |
|
|
| 一柳直堅 JP (b. 1680) |
|
|
| 一柳頼邦 JP (b. 1696) |
|
|
| 一柳末昆 JP (b. 1699) |
|