- John Paul II, Pope,1
- Kajumov, Malik1
- Kapitsa, Piotr1
- Karmal, Babrak1
- Keldysh, Mstislav1
- Kibalchich, Nikolai1
- Konev, Ivan1
- Krzhizhanovskii, Gleb1
- Kulibin, Ivan1
- Kurdiumov, Georgii1
- Kuroń, Jacek,1
- Lablonskaia, Tatiana1
- Lebedev, Sergei1
- Legall, Alberto1
- Lenin1
- Likhachev, V. A.1
- Lomonosov, Mikhail1
- Mary, Blessed Virgin, Saint1
- Maurer, Monica1
- Mendeleev, Dmitrii1