Ramón Hoyos Vallejo (26 May 1932 – 19 November 2014) was a Colombian road bicycle racer who won the men's individual road race at the 1959 Pan American Games.

He represented his native country twice at the Summer Olympics; in 1956 and 1960.

[1][2] He also won the Vuelta a Colombia five times: in 1953, 1954, 1955, 1956 and 1958.

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