Tkachuk
Tkachuk, Tkaczuk, or Tkatchuk  (Ukrainian: Ткачук) is a common Ukrainian surname in Ukraine and the Ukrainian diaspora. The name in Ukrainian stands for the name of occupation, weaver. The names that end in -chuk or -czuk are of the western Ukrainian origin. Notable people with the surname include:

 David Tkachuk, Canadian Senator
 Kevin Tkachuk, Canadian rugby player
 Keith Tkachuk, American professional ice hockey player
 Matthew Tkachuk, American ice hockey player
 Brady Tkachuk, American ice hockey player
 Andriy Tkachuk, a Ukrainian footballer
 Oleksandr Tkachuk, a Ukrainian footballer
 Yevhen Tkachuk, a Ukrainian footballer
 David Tkachuk, Canadian composer, Pianist

Alternative spelling
 Walt Tkaczuk, German-born Canadian ice hockey player
 Daniel Tkaczuk, a Canadian ice hockey player
 Irina Tkatchuk, a Russian figure skater