Name
- Jacobi, Georges, conductor1
- Jehin, Léon, conductor1
- Johnston, Isabelle, wife of Sir C Johnston, Baronet, Lord Mayor of London1
- Jones, Parry William John, singer, 1891-1963, http://isni.org/isni/000000...1
- Joshua, Marie, of Kensington, fl 1908-19171
- Järnefelt, Edvard Armas, conductor1
- Kalisch, Alfred, critic and translator, 1863-19331
- Klein, Hermann, musical journalist, teacher of singing, 1856-19341
- Konstam, Gertrude Angela Mary, alias 'Gertrude Kingston'; actress1
- Kousnietzoff, Maria, operatic soprano1
- Koussevitzky, Sergei Aleksandrovich, conductor and double bass player, 1874-1951, http://isni.org/isni/000000...1
- Kreisler, Fritz, violinist, 1875-19621
- Kufferath, Maurice, Director of the Théâtre de la Monnaie, Brussels1
- Kurz, Selma, Austrian soprano1
- Lamond, Frederic, pianist1
- Lamoureux, Charles, conductor1
- Laparra, Raoul, composer1
- Legge, Robin Humphrey, music editor of 'The Daily Telegraph', 1862-19331
- Lemare, Edwin Henry, organist and composer1
- Leschetizky, Eugenie, at Vienna1