Danyliuk or Danylyuk (also spelled as Daniliuk or Danilyuk) is a Ukrainian surname derived from the given name Danylo or Danilo. Notable people with this surname include:

• Artem Danylyuk (born 2001), Ukrainian footballer
• Oleksandr Danylyuk (born 1975), Ukrainian politician and statesman
• Oleksandr Danylyuk (lawyer) (born 1981), Ukrainian lawyer and human rights activist
• Roman Danyliuk (born 1993), Ukrainian Paralympic athlete
• Ruslan Danilyuk (born 1974), Belarusian footballer
• Mariya Omelianovych née Danilyuk (born 1960), Ukrainian rower

• All pages with titles containing Danyliuk
• All pages with titles containing Danylyuk
• All pages with titles containing Danilyuk