How many gold medals have France won in swimming at the Olympics?

Through the 2008 Summer Games in Beijing, 4.

1) Alain Bernard won gold in men's 100 meter freestyle at the 2008 Games in Beijing.
2) Laure Manaudou won gold in women's 400 meter freestyle at the 2004 Games in Athens.
3) Jean Boiteux won gold in men's 400 meter freestyle at the 1952 Games in Helsinki.
4) Charles de Vaudeville won gold in men's underwater swimming at the 1900 Games in Paris. This event awarded points for distance and time swum underwater ... 2 points for every meter and 1 point for every second. de Vaudeville swam 60 meters in 68.4 seconds to win the event.