Cognomen ล็อค (Lok 
, Lock , Locke 
) , across the world, is a widespread family name. The family name ล็อค is characteristic of Marshall Islands, where it is a common surname, Macao, and Hong Kong (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, Malaysia, and the United Kingdom. Also, ล็อค is the forename as well as the last name.