Horn trio can mean a work written for three natural horns or French horns as well as one for horn and two other instruments. In the latter category, an important genre is the trio for horn, violin and piano. Although there are a few earlier examples, the tradition of this scoring was inaugurated in 1865 by Johannes Brahms with his Trio in E, opus 40. Related combinations are those of (1) oboe, horn, and piano, (2) clarinet, horn, and piano, (3) horn, bassoon, and piano and (4) flute, horn, and piano.

Horn, violin and piano Composer Title Year of composition Publisherappr. durationSix Pieces for violin, horn, and piano1984Copenhagen: Edition Wilhelm Hansen15'Trio for horn, violin, and piano1962 London: Schott & Co. Ltd, 196615'Trio for horn, violin and piano, Op. 44 1953?London: J. W. Chester, 195625'Trio in E, opus 401865Simrock 1866 (rev.ver. Peters 1891)30'Ballade2008from composer09'Trio No. 1 in E major, for violin, horn (or cello), and piano, Op. 1051827Winterthur: Amadeus, 1997 (edited by Peter Schmalfuss)35'Trio for violin, horn, and pianoParis: G. Billaudot, 200516'Sonata for violin, horn and piano1998andrewdownes.com18'50"Notturno Concertante in E major, for violin, horn, and piano, Op. 68 (also pub. as Op. 69)1809Trio for horn, violin and piano [King of Prussia, PA]: Theodore Presser Co., 201221'Music in Homage, trio for violin, horn, and piano, Op. 691991Empfindsam, 201513'Horn Trio, for violin, horn, and piano 2012–13[S.l.]: Verlag Neue Musik, 2013 Largo siciliano, trio for violin, horn, and piano, Op. 91 2012London: Schott & Co., 2013 20'Trio for horn, violin, and piano200414'Twilight Music 1985Dream Wanderer, Op. 178 200115'Horn Trio, opus 28 1906–12?27'Musik med horn 1981Copenhagen: Edition Wilhelm Hansen10'Trio for horn, violin, and piano, Op. 76 Borough Green, Kent: Novello, 197518'Trio for Waldhorn, violin and pianoMoskva : Moskovskoe muzykalʹnoe izd-vo : Rossiĭskoe avtorskoe obshchestvo, [200-?]Quatre petites pièces1896–1906Paris: Editions Max Eschig, 19748'Trio for violin, horn, and piano New York: Carl Fischer, 1975Three Movements for horn trio2012 (manuscript) 2012Trio for horn, violin, and piano Bryn Mawr: Merion Music, 199520'Trio for Violin, Horn and Piano, Op. 1012007Theodore Presser Company, 200716'Trio for Violin, Horn and Piano1982Mainz and New York: B. Schott's Söhne, 1984 (facsimile edition, ED 7309); 2001 (engraved score, ED 7744)21'Trio for violin, horn, and piano, Op. 110before 2004Horn Trio1998Copenhagen : Edition Wilhelm Hansen, 2005. 25'Horn Trio1940Edition Walter Homolka, Musikverlag, 2001Second Piano Trio, for violin, horn, and piano, Op. 40 Mainz: B. Schott's Söhne; New York: Schott Music Corp. (Associated Music Publishers), 1967Trio for horn, violin, and piano2010[S.l.]: Custom print edition, 2012Trio for violin, horn, and piano ("aus den Salonstücken") Munich: Edition Modern, 1962Facets 1, for horn, violin, and piano1961Bryn Mawr, Pa.: Merion Music, 198606'Robert SimpsonTrio for horn, violin, and piano1984Trio for horn, violin, and piano, Op. 381966London: Alfred Lengnick & Co. Ltd.15'Trio for horn, violin, and pianoVienna: Vienna Masterworks, 2006Horn Trio2008London: Schott & Co., 201213'Trio for horn, violin, and piano, Op. 291987–89London: J. W. Chester, 199218'Horn Trio1981New York: C. F. Peters, 199410'30"Horn Trio Continued1985New York: C. F. Peters, 199409'30"Double Solo for Horn Trio1985New York: C. F. Peters, 199514'Horntrio, for horn, violin, and piano1997New York : Associated Music Publishers, 200619'Trio for horn, violin, and piano1958Munich: Edition Modern, 1960

Horn, oboe and piano Composer Title Year of composition Publisherappr. durationJean-Michel DamaseTrio for oboe, horn, and pianoParis: Editions Henry Lemoine, 199322'Heinrich von HerzogenbergTrio in D major for oboe, horn, and piano, Op. 61Leipzig: J. Rieter-Biedermann, 1889; reprinted, Winterthur: Amadeus, 2002Robert KahnSerenade for oboe, horn, and piano, Op. 73Berlin: Simrock 1923Carl ReineckeTrio for oboe, horn, and piano in A major, Op. 188Leipzig, 1887

Horn, clarinet and piano Composer Title Year of composition Publisherappr. durationHoward J. BussPassage to Eden for clarinet, horn, and piano2001Brixton Publications (Cimarron Music Press) 12'Carl ReineckeTrio for clarinet (or violin), horn (or viola), and piano in B major, Op. 274Leipzig, ca.1905; new edition, London: Musica Rara, 1969; reprinted Wiesbaden: Breitkopf & Härtel, 2000Ananda SukarlanTrio "Mutahariana" based on themes by H. Mutahar for clarinet, horn and piano (2019)

Horn, bassoon and piano Composer Title Year of composition Publisherappr. durationHoward J. BussTrio Lyrique for clarinet, horn, and piano2001Brixton Publications (Cimarron Music Press) 10'

Horn, flute and piano Composer Title Year of composition Publisherappr. durationEric EwazenBallade, Pastorale & Dance1992–93San Antonio: Southern Music company, 200223'Rudolf Tillmetz Two nocturnes for horn, flute and harp or piano, Op. 32b 1904-1912 Max EschigCharles KoechlinNocturne for flute, horn and piano, Op. 31ca. 1890Leipzig6'