Last name מקלארן (Mclaren 
, Mcclaren , מקלארן 
) , in all the world, is a common cognomen. The cognomen מקלארן is characteristic of New Zealand, where it is quite a common surname, Jersey, and Jamaica (explore the name in all countries). Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Australia.