Surname ניאל (Niall 
, Niel , ניאל 
) , in the world, is a common family name. The surname ניאל is characteristic of Suriname, where it is quite a rare surname, France, and Ireland. Measured by absolute frequency, it is the most numerous in France, India, and Indonesia. More prevalently, ניאל is the forename as well as the last name.