Cognomen الوسي (الوسي 
, Alousi 
) , in the world, is a rare last name. The last name الوسي is characteristic of Western Asia, particularly Syria, where it is quite a rare surname, Iraq, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, it is commonest in Iraq, Syria, and Iran. Very seldom, الوسي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| الوسي | Iran, Syria, Saudi Arabia, Yemen, Iraq |
| Alousi | Syria, Greece, Saudi Arabia, United Arab Emirates, Iraq |