Rafael Ábalos is a Spanish author of the bestseller book Grimpow: The Invisible Road (ISBN 0385733747) published in 2007. The children's fantasy novel was about a boy finding a mysterious amulet in France who becomes a focus of a "centuries-old mission" to enlighten humanity. According to a review in Publishers Weekly, Ábalos "blends the grand-scale storytelling prowess and epic quest element of Tolkien’s Lord of the Rings with the cryptographic intrigue of Dan Brown’s The Da Vinci Code", and gave it a positive review. The book was published by Random House.

María Dolores Alibés i Riera was a Catalan author of children's books. She was the sister of sports journalist Arcadi Alibés, and was emotionally involved with cartoonist Juan López Fernández, "Jan".

Gabriel Alomar was a poet, essayist, educator and diplomat of the early twentieth century in Spain, closely related to the Catalan art movement Modernisme. He was an active leftist libertarian, chiefly in Barcelona and the other Catalan-speaking regions, from the first years of the 20th century until his death from pneumonia in exile.
Asunción Balzola Elorza, better known as Asun Balzola, was a Spanish autodidact illustrator, writer and translator. After partially recovering from a severe car crash, she studied painting and graphic arts at the Real Academia de Bellas Artes de San Fernando in Madrid. Balzola worked in advertising and graphic design, in addition to her work in the fine arts. Among other awards, she received the Lazarillo Prize for her illustrations and has twice earned the Spanish National Illustration Prize.

Maria Barbal is a Catalan writer.

Carmen Baroja Nessi was a Spanish writer and ethnologist who wrote under the pseudonym Vera Alzate. She was the sister of the writers Ricardo Baroja and Pío Baroja, and mother of the anthropologist Julio Caro Baroja and film director Pío Caro Baroja.

Javier Cacho is a Spanish writer, scientist, physicist and disseminator.

Maite Carranza Gil-Dolz del Castellar is a Spanish writer and educator, mainly writing in Catalan.

Fina Casalderrey is a Spanish writer and educator, considered to be one of the most important writers of Galician children's literature.

Doña Fabiola de Mora y Aragón was Queen of the Belgians from her marriage to King Baudouin in 1960 until his death in 1993. The couple had no children, so the Crown passed to her husband's younger brother, King Albert II.
César Fernández García is a Spanish novelist. His novels and short stories have been distributed in several countries and have been translated into many languages, including Turkish language and Korean language.
María de la Encarnación Gertrudis Jacoba Aragoneses y de Urquijo was a Spanish author of children's literature who wrote under the pen name Elena Fortún. She became famous for Celia, lo que dice the first in the series of children's novels which were a collection of short stories first published in magazines in 1929. The series were both popular and successful during the time of their publications and are today considered classics of Spanish literature.

Gloria Fuertes García was a Spanish poet and author of children's literature, linked to the first Spanish literary movement after the Civil War, 50’s Generation or postism. She became particularly well-known in Spain in the 70’s, after her collaborations on children’s television shows. In her work, she defended equality between men and women, pacifism and the fight for the environment. With the centenary of her birth in 2017, the recognition of her role in Spanish poetry as a whole during the 20th century has increased greatly. She was born and died in Madrid, Spain.

Laura Gallego García, is a Spanish author of young adult literature.
Joan Manuel Gisbert is a Spanish writer of children's literature. His books have been translated into ten languages.

Federica Montseny Mañé was a Spanish anarchist, intellectual and Minister of Health during the Spanish Revolution of 1936, a social revolution that occurred in Spain in parallel to the Spanish Civil War.

Anna Murià i Romaní was a Spanish narrator, translator, literary critic, and journalist of Catalan descent who wrote short stories, novels, children's literature, and essays. A feminist activist, Murià i Romaní served as secretary of the Institució de les Lletres Catalanes, was a founding member of the Grup Sindical d'Escriptors Catalans, and was an Honorary Member of the Associació d'Escriptors en Llengua Catalana.

Esteban Navarro Soriano is a Spanish novelist and journalist known as a contributor to the newspapers Diario del AltoAragón and El País. He is considered by Random House as one of the great names of the Spanish crime novel.

Joxantonio Ormazabal (1948–2010) was a Basque and Spanish author of primarily children's literature in the Basque language. He also published under the pen name of Joxean.

Carmen Posadas is a prize-winning Uruguayan-Spanish author of books for children. She also writes for film and television. She is a recipient of the Premio Planeta de Novela.

Elena Fernández Gómez, known by the pen name Elena Santiago, was a Spanish writer of novels, short stories and children's literature. She was the recipient of honors such as the Rosa Chacel Award, the 1999 Province of Valladolid Literary Prize, and the Castile and León Award for Letters.

Carme Solé Vendrell is an award-winning Spanish illustrator and writer, mainly of children's books. Since 1968, she has illustrated more than a hundred books. She has also worked on television series such as Víctor y María. She was a Premi Nacional de Cultura laureate in 1979 and 2012.

Miguel Ángel Villar Pinto is a Spanish writer, author of fairy tales, children's books, and novels.

Olga Xirinacs Díaz is a Spanish writer and piano teacher. During her literary career, she has written poetry, drama, tales and essays. She was born in Tarragona, where she still lives and works.