The article deals with the topic of a legendary female figure named Llorona, which became popular in the Mexican tradition and Mexican popular music from the 16th century to today. The first part of the article presents the legend of Llorona and focuses on two figures that strongly influenced the contemporary view of her, that is on the mythical, Aztec goddess Cihuacóatl, and on Malinche, an Indian woman from the period of the conquistadors, and on her symbolic meaning in Mexican folklore. The second part of the article concentrates on the song La Llorona. Apart from analysis of its text and music, some examples of the performances of that song by various Mexican folk-groups, which endow them with the characteristics of their regional music, are discussed. Also the figures of two Mexican singers, Chavela Vargas and Lili Downs are considered as the outstanding interpreters of La Llorona.