In music, Op. 140 stands for Opus number 140. Compositions that are assigned this number include:
Raff – Symphony No. 2 Saint-Saëns – The Promised Land Schubert – Sonata in C major for piano four-hands, D 812 (Grand Duo) Schumann – "Vom Pagen und der Königstochter" for solo voice, chorus, and orchestra Shostakovich – Six Romances on Verses by English Poets