Last name Tiểu Tử (Tiểu Tử 
) , globally, is a very rare surname. The surname Tiểu Tử is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. Likewise, Tiểu Tử is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tiểu Tử | Vietnam |