Princess Bona of Savoy-Genoa (Maria Bona Margherita Albertina Vittoria; later Princess Bona of Bavaria; 1 August 1896 – 2 February 1971) was a daughter of Prince Thomas, Duke of Genoa and Princess Isabella of Bavaria.

Bona was the third of six children born to Prince Thomas, Duke of Genoa and his wife Princess Isabella of Bavaria. Her father was a grandson of King Charles Albert of Sardinia. Among her siblings were Ferdinando, 3rd Duke of Genoa; Filiberto, 4th Duke of Genoa; and Eugenio, 5th Duke of Genoa. Her mother Isabella was a granddaughter of Ludwig I of Bavaria.

Through her aunt Margherita of Savoy, she was a cousin of Victor Emmanuel III of Italy.

Bona was born at Castle d'Agliè, Piedmont. Her father had bought the eleventh-century castle shortly before his marriage with Isabella. They passed their honeymoon there.

On 8 January 1921, Bona married her second cousin, Prince Konrad of Bavaria. He was the youngest son of Prince Leopold of Bavaria and Archduchess Gisela of Austria. Through his father, he was a great-grandson of Ludwig I of Bavaria, and through his mother was a grandson of Franz Joseph I of Austria. The wedding took place at Castle Agliè in Piedmont, Italy (where she was born). It was attended by King Victor Emmanuel III of Italy, Crown Prince Umberto, and the Duke of Aosta, among others. The wedding is notable for being the first royal marriage between two enemy houses since World War I began and ended. It was also remarkable as a gathering of royalty representing the Houses of Habsburg, Savoy, and Wittelsbach.

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