All around the world, ニク (Nicu 
, ニク 
) is a common male first name. The first name ニク is characteristic of Romania, where it is quite a common boy's name, Moldova, where it is quite a common predominantly male, but very infrequently female name, and Italy, where it is quite a rare boy's name. Very seldom, ニク is the last name as well as the forename.