Vesperae solennes de Dominica, K. 321, is a sacred work composed in 1779 in Salzburg by Wolfgang Amadeus Mozart. It is scored for SATB soloists, SATB choir, violin I, violin II, 2 trumpets, 3 trombones colla parte, 2 timpani, and basso continuo (bassoon and organ). The setting is divided into six movements, including five psalms and a setting of the Magnificat.