Cognomen Dacto (Dacto 
) , around the world, is a very rare family name. The family name Dacto is habitual in Tanzania, where it is a very rare surname, Ecuador, and Colombia. Measured by absolute frequency, this name is the most popular in Tanzania, the United States, and Colombia. Very seldom, Dacto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dacto | Ecuador, United States, Colombia, Tanzania |