Cognomen Picanco (Picanco 
) , worldwide, is quite a common family name. The surname Picanco is characteristic of Brazil, where it is quite a rare surname, Portugal, and Canada, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Brazil, Portugal, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Picanco | France, Brazil, Portugal, United States, Canada |