Margarita Rivière Martí (17 August 1944 – 29 March 2015) was a Spanish journalist and writer, the author of thousands of newspaper articles and interviews and 30 books.
She was noted for her progressive and feminist spirit in the years of the Transition.
She was one of the first women to practice journalism in Spain, and she and Teresa Rubio were the first two female journalists for the Diario de Barcelona.
In 1978 she was one of the founders of El Periódico de Catalunya.