Surname Ниммо (Nimmo 
, Ниммо 
) , throughout the world, is quite a common last name. The cognomen Ниммо is habitual in New Zealand, where it is quite a rare surname, the United Kingdom, and Australia. In absolute terms, it is commonest in the United States, the United Kingdom, and Australia. Likewise, Ниммо is the forename as well as the last name.