Surname Lilaia (Lilaia 
) , in the world, is a rare cognomen. The cognomen Lilaia is habitual in Portugal, where it is quite a rare surname, Greece, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Very seldom, Lilaia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lilaia | India, Portugal, Greece, United States, Brazil |
| carlos lilaia Portuguese politician, PT (b. 1950) |
|