- This Isn’t Silence (1998-2001), 15:00chamber orchestra
- This Will Not Be Televised (2005-07), 21:007 musicians and turntables
- Arr. Thorwald Jørgensentheremin and string quartet
- The Three-Cornered Hat (1919)balletorchestra
- Three Indigenous Songs (1979)2 piccolos, alto flute, bassoon and 2 percussions
- Three Little Pieces, op 11 (1914)cello and piano
- Three New Seeds (1991)clarinet, trumpet, piano, percussion and double bass
- Three-Page Sonata (1905), 7:00
- Three pearls (2008), 3:00piccolo, piano, violin and cello
- Three Pieces (1971)flute, bassoon, horn, harp, percussion, violin, viola and cello
- organ
- Three Pieces for Solo Clarinet (1918), 5:00clarinet
- Three Places in New England (1914)2 flutes (piccolos), 2 oboes (English horn), 2 clarinets, 2 bassoons (double bassoon), 4 horns, 2 trumpets, 3 trombones, tuba, harp, synthetizer, celesta, 3 percussions, timpani, solo violin, 14 violins I, 13 violins II, 9 violas, 10 cellos and 6 double basses
- Three Quarter-Tone Pieces (1923-24), 11:00piano
- Three Women Trois Femmes Drei Frauen (1996-97), 45:00female voice, actress, female cello, computer
- The Threepenny Opera (1928)
- Thumb Debacle, 3:02
- Tierces en rondo (1990)flute, piano and cello
- Tierkreis, Nr 41 1/2 [Zodiac] (1974-75), 26:0012 music boxes
- Tierkreis, Nr 41 8/9 [Zodiac] (1974-81), 24:00Arr. Karlheinz Stockhausen, 1974-77 [original work]clarinet and piano
- Tierra y Sol (1996), 10:30fixed medium
- Timber (2009), 60:00
- Time and Again (1987), 11:302 flutes, 2 oboes, 2 clarinets, 2 bassoons, 2 horns, 2 trumpets, piano, 2 percussions, 12 violins, 4 violas, 4 cellos and 2 double basses
- Time clips, primitive (1993)
- Time Flows, 1:00pianoCycle: One Minute More
- Timepieces—17 Miniatures (1993), 15:00violin, cello, trumpet and piano
- [title to be determined] (2022), 12:00
