Composers - Composer names starting with "O"

• O Cathain, Ruairi Dall
• O. E. Burgherr
• Oakley, Sarah
• Oberfeld, Casimir
• Oberhauser, Michael
• Obiols, Mariano
• Obizzi, Domenico
• Oborski, Florian
• Obradors, Fernando
• O'Brien, Neil
• O'Brien, Steve
• O'Brien, Teresa
• O'Carolan, Turlough
• Ochs, Camaron
• Ochs, Siegfried
• Ochsner, David
• Ockeghem, Johannes
• Ocón, Eduardo
• O'Connor, Lawrence B.
• O'Daly, Carroll
• Odell, Herbert Forrest
• O'Donnell, Liam
• O'Donovan, Matthew
• Oefner, Stefan
• Oehme, Robert
• Oelschläger, Friedrich
• Oelschlegel, Alfred
• Oesten, Theodore
• Oesterle, Louis

• Oevering, Rynoldus Popma van
• O'Farrell, Harris
• Offenbach, Jacques
• Ogada, Ayub
• Ogden, Elizabeth
• Ogden, William Augustine
• Oginski, Michal Kleofas
• Ogllvle, Kevin
• O'Gorman, William J.
• Ogorodnikova, Galina
• Ogren, Ryan
• O'Hanlon, Peter
• O'Hara, Geoffrey
• O'Hare, Harold C.
• O'Kane, Tullius Clinton
• Okano, Teiichi
• Okba, Amr
• O'Keefe, Edward M.
• Okoh, Bernard
• Okumu, David
• Olac, Ven
• Olando, Walter
• Olatunji, Oladayo
• Olbrich, Thomas
• OLC Barcelona Sheet Music
• Olcott, Chauncey
• Oldman, Kurt
• Olenich, Anzhela
• Olesh, Russell

• Oliveira, Hiago
• Oliver, Jeremiah
• Oliver, Vaughn
• Oliveros, Pauline
• Olivier, François
• Oller, Tony
• Olsen, Ole
• Olshanetsky, A.
• Olshey, Alex
• Olson, David
• Olsov, Eugene
• Olsson, Povel
• Oltolina, Carl' Andrea
• O'Malley, Miles
• O'Malley, Nick
• Omolara, Ayodele
• Ondříček, František
• O'Neal, Ryan Curtis
• O'Neill, Barrie
• O'Neill, Norman
• Onishchenko, Natalya
• Onofrei, Inna G.
• Onslow, Georges
• Openshaw, John
• Operti, Giuseppe
• Oppedisano, Marco
• Oppel, Andrey
• Ordoulidis, Nikos
• Ordway, John Pond

• O'Reardon, Matt
• Orefice, Giacomo
• Orekhov, Sergei
• Orellana, J.A. de
• Orenburgsky, Arthur
• Orff, Carl
• Orkin, Evgeni
• Orledge, Robert
• Orlov, Vladimir
• Orndorff, Ruth
• Orochko, Alexey
• Orologio, Alessandro
• Orrin, Edward W.
• Orsik, Denis
• Orsted, Karen Marie
• Orth, Charles J.
• Orth, John
• Orth, L. E.
• Ortiz, Diego
• Ortiz, Robert
• O'Ryan, Edmond
• Osborn, A. H.
• Osborn, E. H.
• Osborne, George Alexander
• Osborne, John
• Osborne, Thomas
• Osgood, Frances Sargent
• Osgood, George Laurie
• Osinska, Dorianna

• Osmanski, Wojciech
• Ostankovich, Dmitrij
• Ostebo, Dan
• Ostermann, Willi
• Oswald, Albert H.
• Oswald, Henrique
• Oswald, James
• Othmayr, Caspar
• O'Toole, Annette
• Ott, Ronald
• Otto, Carl F.
• Otto, Ernst Julius
• Oudrid, Cristóbal
• Oury, Anna Caroline
• Ouseley, F.A. Gore
• Overmann, Nicole
• Overstreet, W. Benton
• Overton, Georgia
• Ovokaitys, Cindy
• Owen, Anita
• Owen, Benjamin
• Owen, David
• Owen, William
• Owens, Conesha
• Owens, Jimmy
• Owens, Kyle
• Owens, Matthew
• Oxenford, John