Last name Леннокс (Lennox 
, Леннокс 
) , in the entire world, is a common surname. The cognomen Леннокс is habitual in Jamaica, where it is quite a rare surname, Australia, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia. Likewise, Леннокс is the forename as well as the last name.