Gianni Averaimo
(m)
1964- 
Olympic Medalists 1992 water polo (gold)
Gianni Caldana
(m)
1913-1995 
Olympic Medalists 1936 4x100 m relay (silver)
Gianni De Magistris
(m)
1950- 
Olympic Medalists 1976 water polo (silver)
Gianni Infantino
(m)
1970- 
Gianni Lonzi
(m)
1938- 
Olympic Medalists 1960 water polo (gold)
Gianni Rivera
(m)
1943- 
Notable Athletes (soccer)
Gianni Romme
(m)
1973- 
Olympic Medalists 1998; 2002 speed skating (gold/silver)
Gianni Versace
(m)
1946-1997 
Sergiño Dest
(middle name Gianni) (m)
2000- 
Notable Athletes (soccer)