Around the globe, Естин (Estin 
, Estine 
, Estyn 
) is quite a rare gender-neutral first name. The first name Естин is habitual in the Democratic Republic of the Congo, where it is a rare unisex name, Indonesia, where it is a rare mostly girly, but uncommonly boy's name, and Greece, where it is a rare feminine name. In absolute terms, it is commonest in Indonesia, the Democratic Republic of the Congo, and the United States. Very seldom, Естин is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Estin | Guatemala, France, Indonesia, Democratic Republic of the Congo, United States |
| Estine | Indonesia, Democratic Republic of the Congo, United States, Myanmar, South Africa |
| Estyn | South Africa, Peru, United States, United Kingdom |
| Естин | Russia |