Worldwide, Tố (Tố 
) is a rare gender-neutral first name. The forename Tố is characteristic of South-eastern Asia, particularly Vietnam, where it is a rare epicene name. Likewise, Tố is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tố | Vietnam, United States |
|
nguyễn văn tố Vietnamese litersty scholar, VN (b. 1889) |
|
| nguyễn phúc hồng tố (b. 1834) |
|
|
| tố hữu Vietnamese poet, VN (b. 1920) |
|
|
| tố phang (b. 1910) |
|
|
| hồ văn tố VN (b. 1915) |
|