Family name ウォーラー (Waller 
, ウォーラー) , in all the world, is a common last name. The cognomen ウォーラー is habitual in Isle of Man, where it is quite a common surname, the United Kingdom, and Reunion (explore the name in all countries). Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Very seldom, ウォーラー is the forename as well as the last name.