Surname تييري (Thierry 
, Theirry 
, Tyerri 
) , across the world, is a common cognomen. The cognomen تييري is habitual in Guadeloupe, where it is quite a common surname, British Virgin Islands, and Monaco (explore the name in all countries). In absolute terms, it is the most numerous in France, Cameroon, and the Democratic Republic of the Congo. More frequently, تييري is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thierry | Belgium, Cameroon, Democratic Republic of the Congo, Ivory Coast, France |
| Theirry | Myanmar, Brazil, Belgium, United States, France |
| Tyerri | United States, Brazil, Russia |