Pedro Luís Pereira de Sousa (December 13, 1839 – July 16, 1884) was a Brazilian poet, politician, orator and lawyer, adept of the "Condorist" movement. He is the patron of the 31st chair of the Brazilian Academy of Letters.

Pedro Luís was born in Araruama, in 1839. He made his primary studies in the Instituto Freeze, in Nova Friburgo, where he met Casimiro de Abreu. Graduated in Law in the Faculdade de Direito da Universidade de São Paulo in 1860, he established himself as a lawyer in Rio de Janeiro. A deputy between 1864–1866 and 1878–1881, he would also become minister of Foreign Affairs in 1880 and the governor of Bahia in 1882. Among many others, he was decorated with the Order of the Rose.

He died in 1884.

• Terribilis Dea (1860)
• Os Voluntários da Morte (1864)
• A Sombra de Tiradentes e Nunes Machado (1866)
• Prisca Fides (1876)

• He was the uncle of former Brazilian president Washington Luís.
• His major work, Terribilis Dea, heavily influenced Castro Alves, who wrote a poem based on it, named "Deusa incruenta".

• Extracts of poems by Pedro Luís at the official site of the Brazilian Academy of Letters (in Portuguese)
• Pedro Luís' biography at the official site of the Brazilian Academy of Letters (in Portuguese)

Preceded by New creation	Brazilian Academy of Letters - Patron of the 31st chair	Succeeded by Luís Caetano Pereira Guimarães Júnior (founder)