Family name Butac (Butac 
) , all over the world, is quite a rare last name. The surname Butac is habitual in Philippines, where it is quite a rare surname, Romania, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, it most frequently occurs in Philippines, Romania, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Butac | Romania, Philippines, United States, Indonesia, Saudi Arabia |