Bernardo Joaquim da Silva Guimarães (Portuguese pronunciation: [beʁˈnaʁdu ɡimaˈɾɐ̃js]; August 15, 1825 – March 10, 1884) was a Brazilian poet and novelist.

A non-erotic poem written in verso bestialógico is "Eu Vi dos Polos o Gigante Alado" (From the Poles I Saw the Winged Giant).

With those and others, he founded the "Sociedade Epicureia" ("Epicurean Society") in the same year, and also planned with them an unsuccessful collection of poetry called As Três Liras (in English: The Three Lyres).

He moved to Rio de Janeiro in 1858, and, in the following year, worked as a literary critic in the newspaper Atualidade.

Some of his most famous descendants were José Armelim Bernardo Guimarães and Alphonsus de Guimaraens.