Rosa María Mateo Isasi (born 6 January 1942), is a Spanish journalist and renowned television news anchor during the Transition.

From July 2018 to March 2021, she served as the Provisional Sole Administrator of RTVE, the national public radio and television media.

[2] In 1963, she obtained a position as an announcer in Radio Nacional de España, in 1966, joining the news services of Spanish television.

[4] Nicknamed as "the Muse of the Transition" , after the attempted coup d'État of 23 February 1981 Mateo was chosen by consensus of all political parties to read the condemnation manifesto.

[6] Mateo was, according to a report in 1990 by the audiovisual department of journalism at the Faculty of Information Sciences of the University of La Laguna, the host of RTVE that higher levels of popular acceptance got.