Guillermo A. Baralt (born 1948) is a Puerto Rican historian.
He obtained his bachelor's degree from Duquesne University in 1970.
Later he continued his studies in the University of Chicago where he earned his Master's and Doctor's degrees.
He is currently professor of History at the University of Puerto Rico at Rio Piedras.
[1][2] He is a member of Phi Sigma Alpha fraternity.