Surname לאקאי (Lacaille 
, לאקאי 
) , in the world, is quite a rare cognomen. The surname לאקאי is habitual in Reunion, where it is quite a common surname, France, where it is quite a rare surname, and Trinidad and Tobago. In absolute terms, it is the most numerous in France, Canada, and the United States. Much less frequently, לאקאי is the forename as well as the last name.