Cognomen לייל (Lyle 
, Lyell , לייל 
) , around the globe, is a common surname. The last name לייל is characteristic of Jamaica, where it is quite a rare surname, the United States, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Canada. More prevalently, לייל is the forename as well as the last name.