In all the world, לייני (Laine 
, Lainie 
, לייני 
) is a common predominantly female, but scarcely masculine first name. The given name לייני is habitual in Latvia, where it is quite a rare feminine name, Estonia, and Brazil. Not in comparison with a country's population, it is the most numerous in Brazil, the United States, and the Democratic Republic of the Congo. More prevalently, לייני is the last name as well as the forename.