Surname カイラ (Kaila 
, Kyla 
, Kaira ) , around the globe, is a common last name. The cognomen カイラ is characteristic of Gambia, where it is quite a common surname, Zambia, and Finland. In absolute terms, it is the most numerous in India, Zambia, and Indonesia. More prevalently, カイラ is the forename as well as the last name.