Fernando Pérez may refer to: Fernando Pérez de Traba (c. 1090–c. 1155), medieval statesman Fernán Pérez de Guzmán (1376–1458), Spanish historian and poet Fernando Pérez de Almazán, Spanish emissary and Governor of Texas, 1722–1727 Fernando Perez (baseball) (born 1983), American baseball outfielder Fernando Pérez (director) (born 1944), Cuban film director Fernando Néstor Pérez (born 1980), Argentine footballer Fernando Pérez (software developer), Creator of the IPython and Jupyter projects