Surname ローラー (Roller 
, Lawlor 
, Lawler ) , all around the world, is a common family name. The cognomen ローラー is habitual in Ireland, where it is a common surname, Guernsey, where it is quite a common surname, and Australia. Measured by absolute frequency, it is commonest in the United States, Ireland, and the United Kingdom. Much less frequently, ローラー is the forename as well as the last name.