Gaston Rebry (29 January 1905 – 3 July 1953) was a Belgian champion road racing cyclist between 1928 and 1935.
In 1934, Rebry became the third of nine riders to win the Tour of Flanders and Paris–Roubaix in the same year; he also won Paris–Nice that year. Rebry won Paris–Roubaix three times. He also won four stages of the Tour de France.
His son, also named Gaston Rebry (1933–2007), too was a road-racing cyclist in the 1950s but moved to Canada in 1954 to become a landscape painter and died there on 5 January 2007.
