Last name Acquilla (Acquilla 
) , all over the world, is a very rare cognomen. The family name Acquilla is habitual in the United Kingdom, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and India. More frequently, Acquilla is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Acquilla | South Africa, Canada, United Kingdom, United States, India |