Family name Найби (Nyby 
, Найби 
) , all around the world, is a rare last name. The surname Найби is habitual in Northern Europe, particularly Denmark, where it is quite a rare surname, Finland, and Norway, where it is a rare surname. Not in comparison with a country's population, it is commonest in Denmark, the United States, and Finland. Very seldom, Найби is the forename as well as the last name.