Family name Pilsi (Pilsi 
) , in the world, is an extremely rare cognomen. The last name Pilsi is habitual in Malaysia, where it is an extremely rare surname, Philippines, and the United States. Measured by absolute frequency, this name is the most popular in India, Malaysia, and Philippines. More prevalently, Pilsi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pilsi | India, Malaysia, United States, Philippines |