Rinaldo Castellenghi (27 February 1906 – 1952) was an Italian boxer who competed in the 1924 Summer Olympics.
In 1924 he finished fourth in the flyweight class.
He lost in the semi-finals to the upcoming gold medalist Fidel LaBarba and was not able to compete in the bronze medal bout with Raymond Fee.
[1] Castellenghi was born in Milan on 27 February 1906.
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