- Hinckley, Steedman1
- Holkeri, Harri1
- Hoxha, Enver1
- Hồ, Chí Minh1
- Ioffe, Abram1
- Ioseliani, Nana1
- Jara, Victor1
- John Paul1
- Kapitsa, Piotr1
- Karmal, Babrak1
- Karpov, Anatolii1
- Keldysh, Mstislav1
- Khachaturian, Aram1
- Khrushchev, Nikita Sergeevich1
- Kibalchich, Nikolai1
- Kissinger, Henry1
- Kolesnikov, Sergei1
- Korolenko, Evgenii1
- Korolev, Sergei1
- Krebs, Evgenii1