Humberto Mariles Cortés (June 13, 1913 – December 7, 1972) was a Mexican equestrian who competed at the 1948, 1952 and 1956 Olympics.

In 1952 he finished 12th in the individual three-day eventing and won a bronze medal with the team.

[1] At the Pan American Games Mariles won a team gold medal in show jumping in 1955.

In 1972 he was arrested in Paris for drug smuggling, and died in prison before the trial.

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