Cognomen Troade (Troade 
) , globally, is a very rare last name. The last name Troade is habitual in Italy, where it is a very rare surname, Venezuela, and Brazil, where it is an extremely rare surname. Very seldom, Troade is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Troade | Italy, United States, Brazil, Venezuela |