- Kibalchich, Nikolai1
- Kissinger, Henry1
- Kolesnikov, Sergei1
- Korolenko, Evgenii1
- Korolev, Sergei1
- Krebs, Evgenii1
- Krzhizhanovskii, Gleb1
- Kulibin, Ivan1
- Kurchatov, Igor1
- Lebedev, Sergei1
- Legall, Alberto1
- Leonov, Alexey1
- Lomonosov, Mikhail1
- Lunev, Afanasii1
- Lévesque, René1
- Mancham, James1
- Maurer, Monica1
- Mendeleev, Dmitrii1
- Michurin, Ivan1
- Mitterrand, François1