Grishchuk (also transliterated as Grischuk or Grishuk) is a gender-neutral Ukrainian surname. The name is of East Slavic origin, common in Ukraine and among diaspora communities.
Notable individuals with this surname include:
- Alexander Grischuk (born 1983) — Russian chess grandmaster, three-time World Blitz Chess Champion (2006, 2012, 2015), Russian champion in 2009, and a multiple-time Candidates Tournament participant.
- Oksana Grishuk (born 1971) — Russian ice dancer, two-time World Champion (1998, 1999) and Olympic bronze medalist (1998) competing with partner Evgeny Platov.
The spelling variations (Grishchuk, Grischuk, Grishuk) arise from different transliteration systems from the Cyrillic original (Грищук).
