In music, Op. 16 stands for Opus number 16. Compositions that are assigned this number include:

Beethoven – Quintet for Piano and Winds Brahms – Serenade No. 2 Britten – Young Apollo Chopin – Rondo in E-flat major Dvořák – String Quartet No. 7 Enescu – Piano Quartet No. 1 Fauré – Berceuse Glazunov – Symphony No. 2 Grieg – Piano Concerto Prokofiev – Piano Concerto No. 2 Saint-Saëns – Suite for Cello and Piano Schoenberg – Five Pieces for Orchestra Schumann – Kreisleriana Scriabin - 5 Preludes. see List of compositions by Alexander Scriabin Shostakovich – Tahiti Trot Sibelius – Spring Song (), tone poem for orchestra (1894, revised 1895) Strauss – Aus Italien Suk – Fairy Tale Tchaikovsky - 6 Songs, see List of compositions by Pyotr Ilyich Tchaikovsky Vierne – Messe solennelle Zemlinsky – Eine florentinische Tragödie