Across the world, Caulis (Kubis 
, Koal 
, Kaali 
) is quite a common unisex first name. The first name Caulis is characteristic of India, where it is a rare epicene name, Czechia, where it is a rare masculine name, and Saudi Arabia. More prevalently, Caulis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kubis | Czechia, India, Poland, Slovakia, Germany |
| Koal | Brazil, Poland, India, United States, Germany |
| Kaali | Tanzania, Brazil, Malaysia, India, United States |
| Caulis | United States, India, United Kingdom |