Surname اونيل (اونيل 
, Oneill 
, Ünel 
) , all around the world, is a common cognomen. The last name اونيل is habitual in Northern Europe, particularly Ireland, where it is quite a common surname, Aland Islands, and the United Kingdom (explore the name in all countries). Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Ireland. Very seldom, اونيل is the forename as well as the last name.