Namesakes
Austrian Chancellors and Presidents:
1 chancellor
(chancellor) Viktor Klima 1997-2000 
Eurovision Song Contest Winners:
1 winner
Dima Bilan (a.k.a. Viktor) 2008 Russia
German Chancellors and Presidents:
1 chancellor
(chancellor) Chlodwig of Hohenlohe-Schillingsfürst (a.k.a. Viktor) 1894-1900
Harry Potter Characters:
1 character
Viktor Krum
Hungarian Presidents and Prime Ministers:
1 prime minister
Prime Minister Viktor Orbán 1998-2002; 2010-
Notable Artists:
1 architect, 1 painter
Viktor Vasnetsov 1848-1926
Adolf Loos (a.k.a. Viktor) 1870-1933
Notable Athletes:
3 soccer, 1 badminton, 1 track
(track) Viktor Saneyev 1945-2022
(soccer) Viktor Pečovský 1983-
(soccer) Viktor Fayzulin 1986-
(badminton) Viktor Axelsen 1994-
(soccer) Viktor Kovalenko 1996-
Notable Musicians:
1 musician, 1 singer
Viktor Tsoi 1962-1990
Dima Bilan (a.k.a. Viktor) 1981-
Notable Philosophers and Thinkers:
1 psychologist
Viktor Frankl 1905-1997
Notable Writers:
1 author
Viktor Car Emin 1870-1963
Olympic Medalists:
5 gold, 4 bronze, 4 bronze/gold, 4 silver, 2 bronze/silver, 1 gold/silver, 1 silver/bronze
(bronze) Hilding Ekman (a.k.a. Viktor) 1920 cross country team
(silver) Viktor Vlasov 1952 basketball
(bronze/gold) Viktor Tsybulenko 1956; 1960 javelin throw
(bronze/silver) Viktor Ageyev 1956; 1960; 1964 water polo
(silver) Viktor Zubkov 1956; 1960 basketball
(bronze) Viktor Kravchenko 1964 triple jump
(gold/silver) Viktor Saneyev 1968; 1972; 1976; 1980 triple jump
(silver/bronze) Viktor Mazanov 1968; 1972 swimming - 4x100 m freestyle relay; swimming - 4x200 m freestyle relay
(silver) Viktor Aboimov 1972 swimming - 4x100 m freestyle relay
(gold) Viktor Rashchupkin 1980 discus throw
(gold) Viktor Markin 1980 400 m; 4x400 m relay
(silver) Viktor Kuznetsov 1980 swimming - 100 m backstroke; swimming - 4x100 m medley relay
(gold) Viktor Tyumenev 1984 ice hockey
(gold) Viktor Pankrashkin 1988 basketball
(bronze) Viktor Berendyuga 1988 water polo
(gold) Viktor Bryzhin 1988 4x100 m relay
(bronze/silver) Viktor Jelenić 2000; 2004 water polo
(bronze/gold) Viktor Ruban 2004; 2008 archery - team; archery - individual
(bronze) Viktor Kjäll 2014 curling
(bronze/gold) Viktor Ahn 2006; 2014 speed skating
(bronze/gold) Viktor Axelsen 2016; 2020 badminton singles
Other Leaders:
2 prime minister/presidents
Prime Minister/President Viktor Yushchenko 1999-2001; 2005-2010 Ukraine
Prime Minister/President Viktor Yanukovych 2002-2005; 2006-2007; 2010-2014 Ukraine
Other Royalty:
8 princes, 1 emperor/king
Friedrich Wilhelm of Prussia (a.k.a. Viktor) 1880-1925 Prussia
Adalbert of Prussia (a.k.a. Viktor) 1884-1948 Prussia
August Wilhelm of Prussia (a.k.a. Viktor) 1887-1949 Prussia
Wilhelm II (a.k.a. Viktor) 1888-1918 German Empire; Prussia
Waldemar of Prussia (a.k.a. Viktor) 1889-1945 Prussia
Friedrich Sigismund of Prussia (a.k.a. Viktor) 1891-1927 Prussia
Sigismund of Prussia (a.k.a. Viktor) 1896-1978 Prussia
Heinrich of Prussia (a.k.a. Viktor) 1900-1904 Prussia
Alexander Ferdinand of Prussia (a.k.a. Viktor) 1912-1985 Prussia
Saints:
1 saint
Saint Victor of Xanten (a.k.a. Viktor) ?-286