- Larsen, Stein Ugelvik1
- Lazutkin, Vladimir1
- Lebedeva, Tat'iana1
- Leonid, Brezhnev1
- Lesnichenko, Natal'ia1
- Lev, Iudovich1
- Lewandowski, A. 1
- Lewandowski, Geraed. 1
- Lifshits, Chara1
- Lipiński, Leszek 1
- Lipski, Józef, Jan 1
- Litviakov, Mikhail1
- Liubarskii, K. A. Kronid Arkadevich1
- Lubrano, Linda L.1
- Luckyj, George Stephen Nestor1
- Luk'ianenko, Levko1
- Lukash, Sergei1
- Lushnikov, A. I.1
- Luttbeg, Norman R.1
- Lutyński, Piotr 1