| Avery, Dawn | | USA | Onhatashon:'a - Branches | ob, hn (+branches) | COMP | 2021 |
| Bauckholt, Carola | b. 1959 | GER | Hornduo | 2 hn | Thurmchen | 1986/87 |
| Beecroft, Norma | b. 1934 | CAN | Quaprice | hn, perc, tape | CMC | 1980 |
| Bernofsky, Lauren | b. 1967 | USA | Of Molluscs | tpt, hn, tbn | Balquidder | 1995 |
| Bidart, Lycia de Biase | 1910-91 | BRZ | Estudos expressionistas | 2 hn | | 1975 |
| Biol, Amparo Edo | b. 1988 | SPN/USA | Morning Dialogue | fl, hn | Canyamel | 2010 |
| Buchanan, Dorothy Quinta | b. 1945 | NZ | Fugue for the Forties | fl, hn | SOUNZ | 1985 |
| Busler, Lydia Lowery | b. 1970 | USA | El Sombrero Atrapado | hn, vlc | Westleaf | 2014 |
| Busler, Lydia Lowery | b. 1970 | USA | Eliza's Tune | tpt, hn | Westleaf | |
| Busler, Lydia Lowery | b. 1970 | USA | Mysterium | 2 hn | Westleaf | 2011-12 |
| Callaway, Ann | b. 1949 | USA | Three duos | 2 hn | ACE | 1978 |
| Clarke, Rosemary | 1920-2005 | USA | Fors a Tre | 2 hn, tape | COMP | 1972 |
| Clarke, Rosemary | 1920-2005 | USA | Midas | 2 hn | NY Pub. Lib. | 1989 |
| Coons, Lauren Valerie | | USA | Runaway: Corrido e Inditas | hn, gtr | COMP | 2016 |
| Danielle, Aliyah | | USA | Luna | hn, tba, fixed media | COMP | 2015 |
| Davis, Elizabeth Skola | b. 1965 | USA | Duologue | hn, marimba | COMP | 2015 |
| Devorah, Rachel | b. 1986 | USA | 3 Songs for 2 Players | vla, hn | COMP | 2009 |
| Devorah, Rachel | b. 1986 | USA | Burning | nat hn, vib, elect | COMP | 2012 |
| Devorah, Rachel | b. 1986 | USA | Citrina Migration | hn, harp, elect | COMP | 2014 |
| Dewhirst, Michelle McQuade | b. 1973 | USA | untitled | hn, tba | COMP | 2021 |
| Dinescu, Violeta | b. 1953 | ROM | Elogium | tpt, hn | | 1981 |
| Fine, Elaine | b. 1959 | USA | 3 Dances | hn, vla | IMSLP | 2017 |
| Fisher, Danielle | | USA | Improvisation No. 1 | hn, bsn | IMSLP | 2021 |
| Flagello, Gala | b. 1994 | USA | Flutter | ten. sax, hn | COMP | 2024 |
| Flagello, Gala | b. 1994 | USA | Shadow Song | hn, tbn | COMP | 2020 |
| Flagello, Gala | b. 1994 | USA | To See a World in a Grain of Sand | tpt, hn | COMP | 2017 |
| Flagello, Gala | b. 1994 | USA | Duet | | hn, alphorn | COMP | 2016 |
| Game-Lopata, Jenny | | AUSL | Nozart | 2 hn | AusM | 2012 |
| Gentile, Ada | b. 1947 | IT | Misty | fl, hn | Beat | 1982 |
| Gifford, Helen Margaret | b. 1935 | AUSL | Of Old Angkor | hn, marimba | AusM | 1970 |
| Gipps, Ruth | 1921-99 | UK | A Taradiddle, op. 54 | 2 hn | Emerson | 1959 |
| Gillie, Gina | b. 1981 | USA | Intrada for Joey | hn, tba | COMP | 2021 |
| Gomez, Alice | b. 1960 | USA | Reflections | hn, tba | COMP | |
| Greenberg, Laura | | USA | Duet for French horn and cello | hn, vlc | ACA | 1989 |
| Greenberg, Elisabeth Mehl | | USA | Arbor | hn, harp | | 2009 |
| Grenager, Lene | | NOR | Nachts | hn, perc | Norsk | |
| Hersh, Sarah | b. 1981 | USA | A Fanfare, Crepuscular Rays, Galloping, and a Dance | hn, tbn | COMP | 2019 |
| Hogan, Samantha | | USA | Duet | 2 hn | COMP | 2012 |
| Imai, Chikage | b. 1979 | JAPN | H into H | hn, hpsd | COMP | 2009/2012 |
| Kahler, Elyse | b. 1981 | USA | The Hobbit and the Elf | hn, tbn | | 2019 |
| Keane, Winifred | b. 1931 | USA | French horn duets | 2 hn | AMC | 1981 |
| Kitamura, Yui | b. 1983 | JAPN/USA | A Bird and a Hawthorn Tree | vln, hn | | 2020 |
| Krausas, Veronika | b. 1963 | AUSL/CAN/USA | Wilderness | hn, narr | COMP | 2009 |
| Kulenty, Hanna | b. 1961 | POL | Brass No. 2 | tpt, hn | Donemus | 2005 |
| Lann, Vanessa | b. 1968 | USA/NETH | Journey to... | hn, db | COMP | 1990 |
| LeFanu, Nicola | b. 1947 | UK | Rondeaux | hn, tenor | Novello | 1972 |
| LeSiege, Annette | 1947-2012 | USA | Burgundian Suite | hn, vib | Seesaw | 1994 |
| LeSiege, Annette | 1947-2012 | USA | Hoops and Angels | hn, perc | Seesaw | 2005 |
| Likhuta, Catherine | b. 1981 | UKR/AUSL | Special Someone | hn, bsn | COMP | 2020 |
| McDowall, Cecilia | b. 1951 | UK | Bells in the Air | tpt, hn | COMP | 2000 |
| Mendoza, Elena | b. 1973 | SPN | Se hace saber | hn, perc | COMP | 2022 |
| Meredith, Anna | | USA | Duets | hn, E-flat cl | COMP | 2016 |
| Miller, Elma | b. 1954 | CAN | Swordplay | cl, hn | CMC | 1974 |
| Miller, Elma | b. 1954 | CAN | Vinderdi vaenderdi | cl, hn | | 1975 |
| Miller, Sarah | | USA | 11 Mix and Match Duos | 2 hn | Really Good Music | |
| Mitchell, Darleen | b. 1942 | USA | Three Medieval Carols | hn, tba | ACA | 2006/2019 |
| Morris, Valarie | b. 1949 | USA | Frolic | 2 hn | Sandscape Publications | 2002 |
| Neikirk, Anne | b. 1983 | USA | Día | hn, tpt | COMP | 2008 |
| Neville, Catherine | b. 1974 | USA | February Meditations | hn, vln | COMP | |
| Osberg, Kimberly | b. 1992 | USA | Optimistic, Mysterious | bcl, hn | COMP | 2020 |
| Patterson, Andra | b. 1964 | NZ | The retaliation | hn, voice | | 1981 |
| Pentland, Barbara | 1912-2000 | CAN | Variable Winds, Version 2 | hn, perc | CMC | 1979 |
| Phillips, Bryony Jagger | b. 1948 | NZ | He Comes | hn, contralto | SOUNZ | 1997 |
| Phillips, Bryony Jagger | b. 1948 | NZ | He Comes | hn, eng hn (or 2 hn) | SOUNZ | 1997 |
| Phillips, Broyny Jagger | b. 1948 | NZ | Songs of Parting | hn, sop | SOUNZ | 1978 |
| Phillips, Karen Ann | b. 1942 | USA | DVOC | hn, vla | | |
| Pierce, Alexandra | b. 1934 | USA | Dialogues for Horn and Cello | hn, vlc | Seesaw | 1996 |
| Procaccini, Teresa | b. 1934 | IT | Dream, op. 199 | hn, harp | | 2007 |
| Procaccini, Teresa | b. 1934 | IT | Serenata Notturna, op. 78 | hn, harp | Seesaw | 1977 |
| Rabens, Julieanne | | | Meditation on a Fallen Leaf | hn, harp | COMP | 2004 |
| Ran, Shulamit | b. 1949 | ISR/USA | Invocation | hn, chimes, timp | Presser | 1994 |
| Reit, Alyssa | b. 1953 | USA | Faith, Hope, and Love | hn, harp | COMP | 2001 |
| Reit, Alyssa | b. 1953 | USA | Ready | hn, tpt | COMP | |
| Reit, Alyssa | b. 1953 | USA | Renaissance Suite | hn, harp | COMP | |
| Rubin, Anna | b. 1946 | USA | Capers | hn, marimba | COMP | 2015 |
| Rue, Zoe de la | | | Trois Nocturnes, op. 7 | hn/vln, harp | Nadermann | |
| Saariaho, Kaija | b. 1952 | FIN | Yellows | hn, perc | COMP | 1980 |
| Salminen, Susan | b. 1957 | USA | Fanfare for Horn and Timpani, op. 33 | hn, timp | Emerson | |
| Šenk, Nina | b. 1982 | Slovenia | ART | sop, hn | COMP/td> | 2012 |
| Shreve, Susan Ellan | b. 1952 | USA | Duos | 2 hn | | 1975 |
| Shrude, Marilyn | b. 1946 | USA | B.E.R.G. | 2 hn | COMP | 1980 |
| Silverman, Faye-Ellen | b. 1947 | USA | Dialogue | hn, tba | Seesaw | 1976 |
| Silverman, Faye-Ellen | b. 1947 | USA | Left Behind | hn, mezzo | Seesaw | 2006 |
| Silverman, Faye-Ellen | b. 1947 | USA | Protected Sleep | hn, marimba | Seesaw | 2006 |
| Singer, Jeanne | 1924-2000 | USA | Banquet | hn, sop | AMC | 1977 |
| Singer, Jeanne | 1924-2000 | USA | Suite for horn and harp | hn, harp | Cor | 1979 |
| Szilvasi, Evelin | | | Hawk Honeymoon | hn, vibraphone | | |
| Szymanowska, Maria Aghate | 1789-1831 | POL | Fanfara dwugolosowa (Fanfare duet) | 2 hn/2 tpt | | |
| Themmen, Ivana Marburger | b. 1935 | USA | Ten Cantos | 2 hn | Wiltshire | 1972 |
| Thomas, Augusta Read | b. 1964 | USA | Jeu D'Esprit (version for 2 sax) | 2 hn | Schirmer | 2010 |
| Tilford, Mary Ann | | USA | Doodles | 2 hn | Pelican | 1996 |
| Trester, Francine/td> | | USA | Prohodna | hn, vln | COMP | 2020 |
| Trębacz, Ewa | b. 1973 | POL/USA | Errai | hn, sop, elect | COMP | 2009 |
| Trębacz, Ewa | b. 1973 | POL/USA | Iriviskia | hn, vln, elect | COMP | 2015 |
| Trester, Francine | | USA | Prohodna | vln, hn | | 2020 |
| Volness, Kirsten | b. 1980 | USA | Meditation on a Theme by Fela Kuti | vla, hn | COMP | 2020 |
| Wallach, Joelle | b. 1946 | USA | Forewards | tpt, hn | | 1983 |
| Warde, Ann Maury | b. 1956 | USA | Music for two horns | 2 hn | | 1979 |
| Weckwerth, Nancy | b. 1951 | USA | Trombacor suite | tpt, hn | Tormbacor | |
| Wiemann, Beth | b. 1959 | USA | Skin and Bones | fl, hn, tape | ACA | 2000 |
| Wier, Judith | b. 1954 | UK | Don't Let That Horse | sop, hn | Chester | 1990 |
