Last name Cadtro (Cadtro 
) , across the world, is a very rare surname. The surname Cadtro is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Chile, and Mexico, where it is an extremely rare surname. In absolute terms, it is commonest in Latin America and the Caribbean, particularly Colombia, Mexico, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Cadtro | Philippines, Mexico, Colombia, United States, Brazil |