No, he is not the patron saint of Portugal. The patron saint of Portugal are:
Anthony of Padua
Francis Borgia
Gabriel the Archangel
George
John de Brito
Our Lady of Fatima
Our Lady of the Immaculate Conception
Vincent of Saragossa
St. Andrew is the patron saint of:AchaiaGreeceRussiaScotland
Andrew is a saint but not a patron saint.
St. Andrew the Apostle is the patron saint of Greece, Russia and Scotland.
Andrew is a patron saint of Russia.
saint/st. Andrew
The patron saint of Scotland is St. Andrew.
St. Andrew the Apostle is the patron saint of Greece, Russia and Scotland.
The patron saint invoked in time of war is St. Elizabeth of Portugal.
St. George St. Andrew St. Patrick
There is no patron saint of golf. St. Sebastian is the patron saint of athletics. Another opinion: The patron saint of golfers is St. Andrew.
The patron saints of Scotland are:Andrew the ApostleColumbaKessogMargaret of ScotlandPalladius
There is no patron saint of conflict. However, St. Elizabeth of Portugal is the saint to invoke in the time of war.