Namesakes
Belgian Prime Ministers:
1 prime minister
Gaston Eyskens 1949-1950; 1958-1961; 1968-1973 
French Presidents and Prime Ministers:
1 prime minister/president
(prime minister/president) Gaston Doumergue 1913-1914; 1924-1931; 1934
Hurricanes and Tropical Storms:
2 hurricanes, 2 storms
Hurricane Gaston 2004
Storm Gaston 2010
Hurricane Gaston 2016
Storm Gaston 2022
Notable Actors and Entertainers:
2 actors
Djimon Hounsou (a.k.a. Gaston) 1964-
Néstor Carbonell (a.k.a. Gastón) 1967-
Notable Athletes:
3 soccer, 1 tennis
(soccer) Gaston Taument 1970-
(tennis) Gastón Gaudio 1978-
(soccer) Martín Demichelis (a.k.a. Gastón) 1980-
(soccer) Gastón Ramírez 1990-
Notable Scientists and Inventors:
1 inventor
Adolf Gaston Eugen Fick 1852-1937
Notable Writers:
1 author
Gaston Leroux 1868-1927
Olympic Medalists:
3 bronze, 2 gold, 2 silver, 1 bronze/silver
(silver) Gaston Ragueneau 1900 5000 m team
(bronze) Gaston Strobino 1912 marathon
(bronze/silver) Léonce Quentin (a.k.a. Gaston) 1920 archery - moving target 28 m; archery - moving target 28 m, team; archery - moving target 33 m, team; archery - moving target 50 m, team
(bronze) Gaston Féry 1920 4x400 m relay
(bronze) Gaston Heuet 1924 cross country team
(silver) Gaston Godel 1948 50 km walk
(gold) Gaston Reiff 1948 5000 m
(gold) Gaston Roelants 1964 3000 m steeplechase
Other Leaders:
1 prime minister
Prime Minister Gaston Thorn 1974-1979 Luxembourg