Family name Trona (Trona 
, Trone 
) , in the world, is quite a rare surname. The surname Trona is habitual in Reunion, where it is quite a common surname, Latvia, where it is a rare surname, and the United States. Not in comparison with a country's population, this name is the most popular in the United States, Reunion, and Indonesia. Very seldom, Trona is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trona | France, Italy, Brazil, United States, Indonesia |
| Trone | Canada, Reunion, Brazil, United States, Indonesia |