Last name Клегг (Clegg 
, Klegs 
, Клегг 
) , throughout the world, is a common cognomen. The last name Клегг is characteristic of Northern Europe, particularly Isle of Man, where it is quite a common surname, Jersey, and the United Kingdom. In absolute terms, the name is most common in the United States, the United Kingdom, and Australia. Much less frequently, Клегг is the forename as well as the last name.