In music, Op. 28 stands for Opus number 28. Compositions that are assigned this number include:
Beethoven – Piano Sonata No. 15 Britten – A Ceremony of Carols Chopin – Preludes, Op. 28 Danzi – Horn Sonata No. 1 Elgar – Organ Sonata Enescu – Impressions d'enfance Ginastera – Piano Concerto No. 1 Holbrooke – Horn Trio Holst – First Suite in E-flat for Military Band Korngold – Die Kathrin Myaskovsky – Symphony No. 9 Prokofiev – Piano Sonata No. 3 Rachmaninoff – Piano Sonata No. 1 Ries – Piano Trio, Op. 28 Saint-Saëns – Introduction and Rondo Capriccioso Schmitt – Reflets d'Allemagne Schumann – Three Romances for piano Scriabin – Fantaisie in B minor Strauss – Till Eulenspiegel's Merry Pranks Szymanowski – Nocturne and Tarantella Vierne – Organ Symphony No. 3 Waterhouse – Three Pieces for Solo Cello Webern – String Quartet