Cognomen Letsi (Lac 
, Leche 
, Letsi 
) , worldwide, is quite a common family name. The family name Letsi is characteristic of Lesotho, where it is quite a common surname, Albania, and France, where it is quite a rare surname. In absolute terms, it most frequently occurs in France, Lesotho, and the United States. Likewise, Letsi is the forename as well as the last name.