Guillermo Fernández-Shaw Iturralde (26 February 1893 - 17 August 1965) was a Spanish poet and journalist.

Guillermo Fernández-Shaw was born in Cádiz and initially trained as a lawyer before becoming a journalist.

He was the editor of the Spanish newspaper La Epoca from 1911 to 1936, and a contributor to ABC as well as writing poetry for Blanco y Negro.

[1] His partnership with Federico Romero began in 1916 with their libretto for Serrano's La canción del olvido.

Following Guillermo's feud with Federico Romero, which ultimately ended their artistic partnership,[2] the two brothers then became regular collaborators, producing: