Cognomen موا (Moa 
, Mua 
, Moua 
) , in the entire world, is a common surname. The cognomen موا is habitual in Fiji, where it is quite a common surname, Laos, and Solomon Islands. In absolute terms, it most frequently occurs in the United States, Indonesia, and the Democratic Republic of the Congo. Likewise, موا is the forename as well as the last name.