Surname Lơ (Bleu 
, Lơ 
) , all around the world, is a common cognomen. The cognomen Lơ is habitual in Algeria, where it is quite a common surname, Ivory Coast, where it is quite a rare surname, and Tunisia. Not in comparison with a country's population, this name is the most popular in Algeria, Ivory Coast, and France. Much less frequently, Lơ is the forename as well as the last name.