Family name استلى (Astley 
, Astli 
, استلى) , across the world, is quite a rare last name. The family name استلى is habitual in Isle of Man, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and New Zealand. Measured by absolute frequency, it is the most numerous in the United Kingdom, the United States, and Australia. Very seldom, استلى is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Astley | Australia, Canada, Jamaica, United Kingdom, United States |
| Astli | Greece, India, Honduras, Bulgaria |