Family name Calayag (Calayag 
) , all over the world, is quite a rare surname. The cognomen Calayag is characteristic of Philippines, where it is quite a rare surname, United Arab Emirates, and Qatar, where it is a rare surname. Not in comparison with a country's population, the name is most common in Philippines, the United States, and United Arab Emirates.
| VARIANT | COUNTRY |
|---|---|
| Calayag | United Arab Emirates, Japan, Philippines, United States, Saudi Arabia |
| orlan calayag Filipino agricultural official, PH (b. 1974) |
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| froilan calayag painter, PH (b. 1982) |
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