Cognomen Letr (Letra 
, Letr 
, Летр 
) , around the globe, is quite a rare surname. The family name Letr is characteristic of Portugal, where it is quite a rare surname, Uruguay, where it is a rare surname, and the Dominican Republic. Measured by absolute frequency, it most frequently occurs in Portugal, Brazil, and India. Much less frequently, Letr is the forename as well as the last name.