Op. 111

In music, Op. 111 stands for Opus number 111. Compositions that are assigned this number include:
 * Beethoven – Piano Sonata No. 32
 * Brahms – String Quintet No. 2
 * Dvořák – A Hero's Song
 * Fauré – Fantaisie
 * Prokofiev – Symphony No. 6
 * Shostakovich – Novorossiysk Chimes

Op. 111 may also refer to:
 * Dix pièces by Jean Absil; see List of compositions for guitar
 * Piano Sonata No. 7 in E-flat major; see List of compositions by Isaac Albéniz
 * Flute Concerto No. 2, see List of compositions by Malcolm Arnold
 * Foxfire Overture for Symphonic Band, see James Barnes (composer)
 * From Olden Times, see List of compositions by Amy Beach
 * "Impromptu". by Paul Bernard
 * Suite; see List of compositions by York Bowen
 * Pot Pourri; see List of compositions by Ferdinando Carulli
 * Souvenirs Lointains, see List of compositions by Cécile Chaminade
 * Suite for saxophone quartet, see Paul Creston
 * Zwei Romanzen für Klavier zu drei Händen, see List of compositions by Carl Czerny
 * Ariel for violin and piano; see František Drdla
 * 4 Klavierstücke, see Robert Fuchs (composer)
 * Piano Suite in E, see Jack Gibbons
 * Morceaux de Ballet, see Stephen Heller
 * Grande fantaisie sur la Romanesca, fameux air de danse du XVIe siècle, see List of compositions by Henri Herz
 * Symphonietta in D major for wind and brass, The Sleeper; see List of compositions by Joseph Holbrooke
 * Pastorale No. 1; see List of compositions by Alan Hovhaness
 * Mass No. 3 for Soloists, Chorus, and Orchestra in D major, see List of compositions by Johann Nepomuk Hummel
 * "Gingerbread Man", see List of compositions by Nikolai Kapustin
 * What Price Confidence?, a 1944 opera by Ernst Krenek
 * Lieder aus alter Zeit, see Theodor Kullak
 * La Chasse, see List of compositions by Henry Litolff
 * Fantasia apocaliptica, see Erkki Melartin
 * Sinfonia da requiem, see Krzysztof Meyer
 * 4 Grandes Etudes de Concert, see List of compositions by Ignaz Moscheles
 * Te Deum for soprano, bass, mixed choir and orchestra, see Pehr Henrik Nordgren
 * Ballade, see Dianne Goolkasian Rahbee
 * Organ Sonata No. 5 in F-sharp Minor by Josef Rheinberger (unofficial numbering); see 1878 in music
 * Das Lied von der Glocke by Andreas Romberg, see Song of the Bell
 * 3 Fantasiestücke by Robert Schumann
 * Intrada, Op. 111a or Surusoitto, Op. 111b; see List of compositions by Jean Sibelius
 * 3 Part-Songs, for SATB; see List of compositions by Charles Villiers Stanford
 * Indianer-Galopp; see Johann Strauss I
 * Blumenfest; see List of compositions by Johann Strauss II
 * Divertimento Piccolo, see José Carlos Amaral Vieira
 * Pozdravlyayem!, a 1975 opera by Mieczysław Weinberg