Beatriz Doumerc de Barnes (Buenos Aires, Argentina, 1929 – Barcelona, Spain, March 26, 2014) was an Argentine writer of children's literature.

[1][2] Her book, La línea (Buenos Aires, Granica, 1975), illustrated by her husband, Ayax "Pacho" Barnes, was awarded the Casa de las Américas Prize in 1975.

[4] Censored in Argentina during the Dirty War,[3] she lived in Rome, Italy,[4] from 1977 to 1984.

her books were published in Argentina, Spain, Italy, Venezuela, Uruguay, and Sweden.

[2] In addition to her many books, Doumerc also made adaptations of Gargantua and Pantagruel (1986) and the Popol Vuh (1988) for the Spanish publisher, Lumen.