Roberto Alidosi (died 29 November 1362) was a lord of Imola in the 14th century.
Roberto Alidosi married Michelina Malatesta, daughter of Malatesta III Malatesta, lord of Pesaro; after her death he married again with Giacoma Pepoli, of the ruling family of Bologna.
He died in 1362 at Imola, and was succeeded by his son Azzo.
His other son Bertrando was also later lord of Imola.
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