Surname Amstey (Amstey 
) , worldwide, is a very rare family name. The family name Amstey is habitual in Canada, where it is a very rare surname, the United States, where it is an extremely rare surname, and Philippines. Much less frequently, Amstey is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amstey | Canada, Spain, United States, Philippines |