Surname Duarcadas (Duarcadas 
) , in the world, is a very rare cognomen. The surname Duarcadas is characteristic of Portugal, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Duarcadas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duarcadas | Portugal, United Kingdom, India |