- Kolp, Dzh.1
- Koposov, A. (Alekseĭ), 1902-19671
- Korchmarev, Klimentiĭ, 1899-19582
- Koshko, A. F. (Arkadiĭ Frant︠s︡evich), 1867-1928 or 19291
- Kotzebue1
- Kovynev, Boris1
- Kozlovskiĭ, A. (Alekseĭ), 1905-19771
- Krasev, Mikhail Ivanovich, 1898-19571
- Krausz, Michael (Composer)2
- Krenek, Ernst, 1900-19911
- Kruchinin, Valentin9
- Kunina, Irina1
- Kálmán, Emmerich, 1882-19533
- Laaneots, Ants1
- Lanskoi, A. M.1
- Larionov, Mikhail Fedorovich, 1881-19643
- Lazarev, M.1
- Lebedev-Kumach, Vasiliĭ, 1898-19493
- Lehár, Franz, 1838-18981
- Len, A.2
- Lenskīĭ, Vl.1
- Levin, Aleksandr (Aleksandr Arkadʹevich)7
- Levin, Miron1
- Lissim, Simon, 1900-19814
- Litvak, Maksim Mikhaĭlovich, 1889-1
- Li͡ubimov, G. P.1
- Lobachev, Grigoriĭ Grigorʹevich, 1888-19533
- Loginov, M.1
- M-va., A.1
- Malsagov, Ziyauddin1
- Manukyan, Vazgen, 1946-1
- Mariinskiĭ teatr (1860-1917)1
- Markov, N. E. (Nikolaĭ Evgenʹevich), 1866-19451
- Marlinskiĭ, A. (Aleksandr), 1797-18371
- Mashkevich, Grigoriĭ1
- Maskhadov, Aslan Alievich, 1951-20051
- Mass,Vl.1
- Mayakovsky, Vladimir, 1893-19303
- Maĭman, Zinoviĭ3
- Medtner, Nikolay Karlovich, 1880-19511
- Mekhtiev, Tajedin2
- Meksmontan, N. F.2
- Melkumian, Naira1
- Menshikov, Aleksandr Danilovich, 1673-17291
- Mereghetti, Elisa1
- Midav Amid, K.1
- Mikhailov, Vyacheslav2
- Mili͡ukov, P. N. (Pavel Nikolaevich), 1859-19432
- Mili͡utin, I͡U. (I͡Uriĭ), 1903-19684
- Mint͡s, Oskar (Composer)2
- Mironov, K.1
- Mi͡askovskiĭ, N. (Nikolaĭ), 1881-19501
- Mosia, Maria1
- Muzayev, Abdullah1
- Mu̇tăllibov, A. N., 1938-1
- Nabokov, Vladimir Vladimirovich, 1899-19771
- Nakhabin, V. (Volodymyr), 1910-19671
- Namazov, Eldar1
- Neftaliev, Zahid1
- Neĭd, Maks1