The Magic Bow is a 1946 British musical film based on the life and loves of the Italian violinist and composer Niccolò Paganini. It was directed by Bernard Knowles. The film was entered into the 1946 Cannes Film Festival.

Niccolò Paganini was an Italian violinist and composer. He was the most celebrated violin virtuoso of his time, and left his mark as one of the pillars of modern violin technique. His 24 Caprices for Solo Violin Op. 1 are among the best known of his compositions and have served as an inspiration for many prominent composers.