Manoel Wenceslau Leite de Barros (December 19, 1916 – November 13, 2014) was a Brazilian poet. He has won many awards for his work, including twice the Prêmio Jabuti (the "Tortoise Prize"), the most important literary award in Brazil.
Barros was born in Cuiabá, and is regarded by critics as one of the great names of contemporary Brazilian poetry, and by many authors he has been considered the greatest living poet from Brazil. The poet Carlos Drummond de Andrade recognized Manoel de Barros as the biggest poet of Brazil.
In 1998 the poet was rewarded with the "National prize of Literature of the Ministry of the Culture from Brazil", for the set of the work. He died, aged 97, in Campo Grande.