Below is a sortable list of compositions by Gustav Holst. The works are categorized by genre, H. catalogue number (A Thematic Catalogue of Gustav Holst's Music by Imogen Holst, London, Faber Music Ltd., 1974), opus number, date of composition and title.

GenreH.OpusDateTitleScoringNotes Opera 1892 Lansdown Castle or The Sorcerer of Tewkesbury Operetta in the style of Gilbert and Sullivan Opera 7 1 1895 The Revoke Opera in 1 act; libretto by Fritz Hart Opera 21 1896 The Idea Children's Operetta Opera 60 11 1902 The Youth's Choice Musical Idyll in 1 act; libretto by the composer Opera 89 23 1899–1906 Sita Opera in 3 acts based on the story of Rama and Sita from the Ramayana; not performed until October 2024.Jaffé, Daniel. Review of Sita in Saarbrücken. Opera, January 2025, Vol.76 No.1, p78-80. Opera 96 25 1908 Sāvitri Chamber Opera in 1 act; libretto by the composer based on the episode of Savitri and Satyavan from the Mahābhārata Opera 150 39 1918–22 The Perfect Fool Comic Opera in 1 act; libretto by the composer; revised as a ballet 1922 Opera 156 42 1924 At the Boar's Head Opera in 1 act; libretto by the composer based on William Shakespeare's Henry IV, Part 1 and Part 2 Opera 176 50 1929–30 The Wandering Scholar Chamber Opera in 1 act; libretto by Clifford Bax founded on an incident in Helen Waddell's The Wandering Scholars. Ballet 149 1921 The Lure, or The Moth and the Flame Ballet 150 39 1918–22 The Perfect Fool 1922 revision of the opera; libretto by the composer Ballet 163 45/1 1926 The Golden Goose Choral Ballet; for chorus and orchestra; founded on the tale of the Brothers Grimm, adapted by Jane M. Joseph Ballet 164 45/2 1926–27 The Morning of the Year Choral Ballet; for chorus and orchestra; words by Steuart Wilson. This was the first composition ever commissioned by the BBC. Incidental music 1905 Stratford Revels Incidental music 94 1905 Nabou, or Kings in Babylon Incidental music 101 27a 1909 The Vision of Dame Christian Masque; music for the play by Frances Ralph Gray Incidental music 102 27b 1909 Stepney Children's Pageant for orchestra Incidental music 102a 27b 1909 A Song of London for unison chorus and piano from the incidental music for Stepney Children's Pageant; words by G.K. Menzies Incidental music 114 1910 The Praise of King Olaf for chorus and military band Part 1 Scene 4 of The Pageant of LondonForeman, Lewis (2006). Notes to The Praise of King Olaf – Holst’s Complete Music for Military Band CD, Specialist Recording Company Ltd. Incidental music 122 1914 Philip the King Incidental Music to the play by John Masefield Incidental music 143 1918 The Sneezing Charm for mezzo-soprano and orchestra Incidental music 146 1920 7 Choruses from the Alcestis of Euripides for unison voices, 3 flutes and harp for the play by Euripides in translation by Gilbert Murray Incidental music 1921 St. Martin's Pageant Incidental music 170 1927 The Coming of Christ for soprano, tenor, baritone, bass, mixed chorus, trumpet, piano, organ and string orchestra ad libitum Incidental music for a Mystery Play Incidental music 180 1930 The Passing of the Essenes: 2 Chants for unison male chorus for the play by George Moore Incidental music 1933–1934 The Song of Solomon Film score 184 1931 The Bells directed by Harcourt Templeman Orchestral 1891 Intermezzo for orchestra Orchestral 31 1897 A Winter Idyll for orchestra Orchestral 41 1898 Suite in G minor for string orchestra Orchestral 42 7 1899 Walt Whitman for orchestra Overture Orchestral 43 10 1899, 1912 Suite de ballet in E major for orchestra revised 1912; originally Op. 8 Orchestral 47 8 1899–1900 Symphony in F major "The Cotswolds" for orchestra originally Op. 10 Orchestral 54 1903? Greeting for orchestra original version for violin and piano Orchestral 66 13 1903 Indra for orchestra Symphonic Poem Orchestral 86 21/1 1906, 1907 Songs of the West for orchestra revised 1907 Orchestral 87 21/2 1906, 1907 A Somerset Rhapsody for orchestra revised 1907 Orchestral 88 22 1906 2 Songs without Words for chamber orchestra No. 2 also for small military band Orchestral 107 29/1 1909–1910 Beni Mora: Oriental Suite for orchestra Orchestral 1910 Morris Dance Tunes Set I Set II for orchestra Orchestral 108 (29/2) 1911 Phantastes, Suite in F major for orchestra withdrawn, originally Op. 29 No. 2 Orchestral 118 29/2 1912–1913 St Paul's Suite for string orchestra dedicated to the orchestra at St Paul's Girls' School; Finale is an arrangement of 4th movement in Second Suite.Encyclopædia Britannica Online, "Gustav Holst", 2006, Britannica.com webpage: