Composers – I
Composers: Iaccarino - Illenberger
- Iaccarino, Filomena
- Iacchetti, Enzo
- Iaci, Salvatore
- Iacobucci, Walter
- Iacona, Richard
- Iaconelli, Jean
- Iaconnelli, Jean
- Iacono, Luca
- Iacono, Osvaldo Lo
- Iacovino, Luigi
- Iamone, Massimo
- Iancu, Misu
- Iannaccone, Anthony
- Iannarelli, Simone
- Ianne, Stefano
- Iannello, Kevin
- Ianni, David
- Iannotta, Clara
- Iasilli, Gerardo
- Iazzetti, Amalia
- Ibanez, Genevieve
- Ibanez, Julio César
- Ibarrondo, Félix
- Ibberson, Paul
- Ibberson, W. H.
- Ibert, Jacques (1890–1962)
- Ibrahim, Abdullah (b.1934)
- Ibrahimi, Feim (1935–97)
- Ibrahimov, Rasim
- Ibukuro, Kiyoshi
- Ichiyanagi, Toshi (b.1933)
- Ichter, Carlo
- Idelsohn, Abraham
- Iderstine, A. P. Van
- Idle, Christopher
- Idle, Eric
- Idle, Harry
- Iedema, Harke
- Ierswoud, Frederik van
- Ifukube, Akira (1914–2006)
- Igel, Alf
- Igelhoff, Peter
- Iglesias, Alberto (b.1955)
- Iglesias, Angel
- Iglesias, Antonio
- Iglesias, Joaquín
- Iglesias, José
- Iglesias, Pepe
- Iglesias, Raul
- Iglisch, Rudolf
- Iglo, Milan
- Ignatieff, Mikhail
- Ignátieff, Nadja
- Ignatowicz, Anna
- Ignatzek, Klaus
- Igudesman, Aleksey
- Iguerbouchen, Mohamed
- Ihara, Ryoji
- Ihde, Mike
- Ihlau, Fritz
- Ihle, Johann Jacob
- Ihle, Patrizio
- Iijima, Toshinari
- Iiriti, Mauro
- Ijames, Molly
- Ikebe, Shin-ichiro
- Ikeda, Naoko
- Ikonen, Lauri
- Il'yinsky, Aleander Alexandrovich
- Ilda, Lewis
- Iles, Nikki (b.1963)
- Iles, Paul
- Iliew, Wladimir
- Iliffe, Barrie
- Iliffe, Frederick
- Iljinsky, Aleksandr
- Illarionov, Dimitri
- Illarramendi, Ángel
- Illean, Lisa
- Illenberger, Hermann
Composers: Illés - Iparraguirre
- Illés, Márton (b.1975)
- Illing, Heinz
- Illiya, Ilyas
- Ilmbrecht, Otto
- Ilyic, Peter
- Ilyinsky, Alexander
- Imber, N. H.
- Imbert, Maurice
- Imbescheid, Albrecht (b.1950)
- Imbrie, Andrew (1921–2007)
- Imiolo-Schriver, Deborah A.
- Immel, Jerrold
- Imperiali, Lino
- Impertro, Herman
- Impey, L. V.
- Imrie, G. J.
- Inabinet, Carolyn
- Inbert, M.
- Incardona, F.
- Ince, Kamran (b.1960)
- Incenzo, Michele
- Incerti, Bruno
- Incigneri, Filippo
- Incirci, Tahsin
- Incontrera, Carlo de
- Indellicati, Elena
- Indermühle, Nicolas
- Indregard, Kjetil
- Indy, Vincent d' (1851–1931)
- Infantas, Fernando Las (1534–c.1609)
- Infante, Manuel (1883–1958)
- Ingala, Egidio
- Ingall, Esmond
- Ingalls, Jeremiah
- Inge, Courtney
- Ingebos, Marie-Louise
- Ingegneri, Marc'Antonio (c.1535–1592)
- Ingelaere, Roland
- Ingelgem, Kristiaan Van
- Ingelgem, Maarten van
- Ingelse, Christiaan
- Ingenhoven, Jan (1876–1951)
- Ingham, J. Y.
- Ingham, Richard
- Inghelbrecht, Désiré-Émile (1880–1965)
- Ingimundarson, Jónas
- Ingle, Charles
- Ingle, Doug
- Inglese, Angelo
- Inglis, Brian
- Ingoldsby, Tom
- Ingolfsson, A.
- Ingoni, Michel Cassiani
- Ingraham, Roy
- Ingram, Adrian
- Ingram, Bill
- Ingram, Jason
- Ingruber, Andreas
- Ingvald, Jonathan Kroner
- Ink, Lawrence
- Inman, Bryce
- Innes, Frederick Neil
- Innes, John
- Inness, Peter
- Innis, Willy Van
- Inniss, Carleton
- Inns, Lawrence
- Inouye, Mark
- Insanguine, Giacomo
- Insolia, Riccardo
- Intano, I.
- Intra, Enrico
- Inwood, Paul (b.1947)
- Inzenga, Jose
- Ioannidis, Yannis (b.1930)
- Ionel, Dumitru
- Ions, Thomas
- Iordens, Daniel Jacob Rudolph
- Iorio, Eugenio
- Iparraguirre, P. A.
Composers: Ippolito - Isserlis
- Ippolito, Michael
- Ippolitov-Ivanov, Mikhail Mikhailovich (1859–1935)
- Iranyi, Gabriel
- Ireland, Edward U.
- Ireland, F.
- Ireland, John (1879–1962)
- Ireland, Robin
- Irhoj, Jan
- Iri, Jean
- Irigaray, Carlos Alberto
- Irino, Yoshiro (1921–80)
- Irizarry, Brenda Oramas
- Irizarry, Neff
- Irmen, Hans-Josef
- Irnich, Herbert
- Irons, Earl
- Irons, Herbert Stephen
- Irons, Jack
- Irrgang, Horst
- Irvin, Ardis Marlatt
- Irvine, Arthur J
- Irvine, J. S.
- Irvine, Peter
- Irving, Dominic
- Irving, Ernest
- Irving, Henry
- Irving, William H.
- Irwin, Brent
- Irwin, Doreen
- Isaac, Austin
- Isaac, Heinrich (1450–1517)
- Isaac, Jakob
- Isaac, Merle
- Isaacs, Edward
- Isaacs, Leonard
- Isaacs, Merle J.
- Isaacson, Michael
- Isaak, Chris
- Isabelle, Jean-Clément
- Isacoff, Stuart
- Isamitt, Carlos
- Isbin, Gilbert
- Isbin, Sharon
- Iseghem, Johan Van
- Isele, David Clark
- Isenberg, Rex
- Isensee, Paul R.
- Isham, Mark
- Isham, Timothy J.
- Isherwood, C.
- Ishige, Rika
- Ishii, Hiromi
- Ishii, Kan
- Ishii, Maki (1936–2003)
- Ishijima, M.
- Ishikawa, Ryota
- Ishimaru, Hiroshi
- Ishizaki, Hannah
- Ishizuka, Rei
- Ishizuki, Kazumasa
- Islandsmoen, Sigurd
- Isler, Ernst
- Isler, Todd
- Isley, Marvin
- Isley, O'Kelly
- Isley, Ronald
- Isley, Rudolph
- Isnardi, Paolo
- Isobe, Ajiko
- Isoir, André
- Isom, Paul
- Isomäki, Pauliina
- Isoré, Guillaume
- Isore, O. M.
- Isouard, Nicolo
- Isoz, Etienne
- Israel-Meyer, Pierre
- Israel, Brian
- Israels, Chuck
- Isserlis, Steven (b.1958)
Composers: Istv - Izzi
- Istv, Hornyak
- Istvan, Miloslav
- Istvánits, Franz
- Isum, John
- Itakura, Hiromi
- Itani, Masaki
- Itazu, Shoryu
- Iten, Walter
- Ithier, Jean-Louis
- Itkin, David
- Ito, Fumie
- Ito, Yasuhide (b.1960)
- Ittzés, Gergely
- Ittzes, Tamas
- Iturralde, Pedro (b.1929)
- Iturriaga, Enrique
- Iucolano, Nicolo
- Iula, Felice S.
- IV of Portugal, John
- Ivankovic, Branko
- Ivanov, Dimitar
- Ivanov, Vladimir
- Ivanova, Vera (b.1977)
- Ivanovic, Goran
- Ivanovic, Vojislav
- Ivanovici, Iwan
- Ivanovici, Josif
- Ivanovs, Janis
- Iverson, Daniel
- Ives, Charles (1874–1954)
- Ives, Elam
- Ives, Grayston (b.1948)
- Ives, Simon (1600–62)
- Iveson, John
- Ivey, Jean Eichelberger
- Ivey, Robert
- Ivimey, Ella
- Ivimey, John William
- Ivonovici, Josef
- Ivory, Leah
- Ivory, Sean
- Iwagami, Takashi
- Iwai, Naohiro
- Iwan, Ewa
- Iwanow, Iwan
- Iwanusa, Chuck
- Iwaszkiewicz, Jaroslaw
- Iwata, Manabu
- Iwata, Satoshi
- Iyer, Vijay
- Izcovich, Ezéquiel
- Iznaola, Ricardo
- Izumi, Hirotaka
- Izzi, V.
