Cognomen Lahaya (Lahaya 
) , across the world, is a rare surname. The last name Lahaya is habitual in Indonesia, where it is a very rare surname, Malaysia, and Nigeria, where it is an extremely rare surname. Very seldom, Lahaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lahaya | Nigeria, Germany, Malaysia, India, Indonesia |