Last name Макмиллан (Macmillan 
, Mcmillan , Макмиллан 
) , in all the world, is a common surname. The family name Макмиллан is characteristic of New Zealand, where it is quite a common surname, Jersey, and Guernsey (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Canada. Very seldom, Макмиллан is the forename as well as the last name.