Tyrteu Rocha Vianna (November 28, 1898 – September 21, 1963) was a Brazilian poet avant-garde and pioneer amateur radio,^[1] and large landowner of Rio Grande do Sul, southern Brazil.

He was born in São Francisco de Assis, Rio Grande do Sul, a small isolated town where he lived most of his life; despite this, has been regarded by critics as one of the most gifted or the most modernist poet of the early twentieth century in Rio Grande do Sul.^[2]

Had influence of Futurism mostly, but also the Manifesto Antropófago and Cubism. Has just published a book,^[3] and was author that has been little known and little appreciated by his countrymen and contemporaries. He died in Alegrete, aged 64.