Danylenko or Danilenko (Ukrainian: Даниленко, Russian: Даниле́нко) is a Ukrainian-language surname. Notable people with this surname include:

• Anatoliy Danylenko (1953–2021), Ukrainian politician
• Artyom Danilenko (born 1990), Russian footballer
• Dana Danilenko (born 2001), Israeli badminton player
• Danylo Danylenko (born 1994), Ukrainian athlete
• Dmitriy Danilenko (born 1995), Russian fencer
• Dmytro Danylenko (born 1999), Ukrainian sprint canoeist
• Tetyana Danylenko (born 1983), Ukrainian journalist
• Viktoriia Danilenko (born 1994), Russian gymnast
• Vladimir Danilenko (born 1999), Russian Paralympic swimmer
• Vyacheslav Danilenko (born 1935), Soviet scientist

• All pages with titles containing Danylenko
• All pages with titles containing Danilenko