Idea Vilariño (18 August 1920–28 April 2009) was an Uruguayan poet, essayist, and literary critic and a well-known member of the literary and intellectual group known as the Generation of ’45, which included Juan Carlos Onetti, Mario Benedetti, Amanda Berenguer, and, as an ex-officio Argentine member, Jorge Luis Borges. She was a high school literature teacher from 1952 until the military dictatorship in 1973. After the restoration of democracy until her death, she was a professor of literature at the Universidad de la República in Montevideo. She was the author of twelve books of poetry, among the best known of which are Nocturnos (1955) and Poemas de amor (1957). Her collected poems, Poesía completa, was published in Uruguay in 2009. She was also the author of five books of essays and literary criticism.