Juan Martines


 * This article is about a former prime minister of Antarctica; for his son and current prime minister, see Juanito Martines.

Alejandro Juan Martines Cabrera (b. 30 October 1950 in Santa María del Sur) is an Antarctican businessman and former politician, who served as prime minister of Antarctica from 1988 to 1991 and again from 1996 to 2005. His eldest son, Juanito, is the current prime minister of Antarctica, in office since 2016. Since 2007, Martines Cabrera has served on the board of directors of Sortsdam Global Group, of which he was CEO from 2010 to 2018.