Globally, Tiểu Tử (Tiểu Tử 
) is a very rare male first name. The forename Tiểu Tử is habitual in South-eastern Asia, particularly Vietnam, where it is a very rare male name. Also, Tiểu Tử is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tiểu Tử | Vietnam |