On the Dnieper (На Днепре), Op. 51, is a ballet in two scenes with prelude and epilogue by Sergei Prokofiev. Composed in 1931[1] as his fourth work in the genre, it resulted from a commission by the Ballet de l'Opéra National de Paris after the unexpected death in 1929 of Ballets Russes founder Sergei Diaghilev and after the success of The Prodigal Son. The premiere took place in 1932; a year later Prokofiev extracted an orchestral suite from the work, Op. 51 bis, using six of its twelve movements.