Globally, Dĩ (Dĩ 
) is a very rare boy's first name. The first name Dĩ is habitual in South-eastern Asia, particularly Vietnam, where it is a very rare masculine name. Also, Dĩ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dĩ | Vietnam |
| hồ minh dĩ association football player, VN (b. 1998) |
|