Surname ศีลา (Sila 
, ศีลา 
) , around the globe, is a common family name. The family name ศีลา is habitual in Guinea-Bissau, where it is quite a common surname, Kenya, and Fiji. Measured by absolute frequency, the name is most common in Kenya, Indonesia, and India. More frequently, ศีลา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sila | Kenya, Turkey, Democratic Republic of the Congo, India, Indonesia |
| ศีลา | Thailand |