Symphony No. 3 in C minor, Op. 78 for orchestra and organ is a symphony by French composer Camille Saint-Saëns, completed in 1886. Rooted in the Romantic tradition, the work blends expansive orchestral colour, a prominent pipe organ part and recurring thematic material within a broadly cyclical structure, and it holds a prominent place in Saint-Saëns's late-career output as a synthesis of symphonic and liturgical sonorities.