Surname เดียร์ (Dia 
, Deer 
, Deera 
) , globally, is a widespread last name. The cognomen เดียร์ is characteristic of Senegal, where it is a common surname, Mauritania, and Lebanon, where it is quite a common surname (explore the name in all countries). In absolute terms, it is the most numerous in Senegal, Indonesia, and Algeria. Much less frequently, เดียร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dia | Indonesia, Algeria, Mauritania, Senegal, France |
| Deer | Indonesia, Algeria, Egypt, United States, France |
| Deera | Indonesia, United Kingdom, Saudi Arabia, United States, India |
| เดียร์ | Thailand |