Martha Silvana Montaner Formoso (6 January 1955 – 9 March 2016[1][2]) was a Uruguayan politician of the Colorado Party.
[2] She joined the so-called "women's caucus", seeking the promotion of political participation and the rights of women, along with fellow deputies Beatriz Argimón, Raquel Barreiro, Nora Castro, Silvana Charlone, Margarita Percovich, Yeanneth Puñales, María Alejandra Rivero Saralegui, Glenda Rondán, Diana Saravia Olmos, Lucía Topolansky, and Daisy Tourné.
She held a place on the National Executive Committee (CEN) of the Colorado Party.
[4] This made her the first woman in Uruguayan history to occupy the top position of representation in a political party.
[7] In the 2014 elections she won a seat in the Senate of the Republic, a position she held from 15 February 2015 until her death.