Excerpted:
10 Deadliest Snipers of World War II
10. Stepan Vasilievich Petrenko: 422 kills
9. Vasilij Ivanovich Golosov: 422 kills
8. Fyodor Trofimovich Dyachenko: 425 kills
7. Fyodor Matveyevich Okhlopkov: 429 kills
6. Mikhail Ivanovich Budenkov: 437 kills
5. Vladimir Nikolaevich Pchelintsev: 456 kills
4. Ivan Nikolayevich Kulbertinov: 489 kills
3. Nikolay Yakovlevich Ilyin: 494 kills
2. Ivan Mihailovich Sidorenko: around 500 kills
1. Simo Häyhä: 542 Kills (705 unconfirmed)
Simo Häyhä, a Finn, is the only non-Soviet soldier on this list. Nicknamed “White Death†by the troops of the Red Army — whom he tormented, dressed in his snow camouflage, during the bitterly cold Winter War of 1939-1940 — Häyhä is, according to statistics, the deadliest sniper in history.
Read more at: http://www.militaryeducation.org/10-deadliest-snipers-of-world-war-2/
3 Ukrainian names as snipers in the Red Army above, 10, 8 and 2.
Top woman sniper for the Red Army? Lyudmila Pavlichenko, another ethnic Ukrainian. 300 kills.
https://en.wikipedia.org/wiki/Lyudmila_Pavlichenko