Djalma Guimarães, was a pioneer Brazilian geochemist. He was Professor Emeritus at the Ouro Preto Mining School and at the Federal University of Minas Gerais, in Belo Horizonte. At both institutions, he taught geological sciences for over 35 years.
He was a grandson of Councillor Joaquim Caetano da Silva Guimarães and of the Senator Manoel Teixeira da Costa. Guimarães was brought up in a family which had produced such Brazilian writers as Bernardo Guimarães and Alphonsus de Guimaraens. He was also a nephew of scientists Pandiá Calógeras and Paul Ferrand.