Cognomen Laoua (Laua 
, Laoua 
) , in all the world, is a rare family name. The cognomen Laoua is habitual in Papua New Guinea, where it is quite a rare surname, Latvia, where it is a rare surname, and Uruguay. In absolute terms, it is commonest in Papua New Guinea, Indonesia, and Algeria. Likewise, Laoua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Laua | Indonesia, United States, Papua New Guinea, India, Brazil |
| Laoua | Algeria |