Namesakes
Olympic Medalists:
1 gold
(gold) Wélissa Gonzaga 2008 volleyball 
Other Royalty:
2 princesses, 1 emperor
Pedro II of Brazil (a.k.a. Gonzaga) 1831-1889 Brazil
Isabel, Princess Imperial (a.k.a. Gonzaga) 1846-1889 Brazil
Leopoldina of Brazil (a.k.a. Gonzaga) 1847-1864 Brazil
Saints:
1 saint
Saint Aloysius Gonzaga 1568-1591