Ivanyuk or Ivaniuk (Ukrainian: Іванюк) is a gender-neutral Ukrainian surname. Notable people with the surname include:

• Dmitry Ivanyuk (1900–1941), Soviet Army colonel
• Ilya Ivanyuk (born 1993), Russian high jumper
• Maryna Ivaniuk (born 1990), Ukrainian racing cyclist
• Nikolai Ivaniuk (born 1997), Ukrainian Patron

• All pages with titles containing Ivaniuk
• All pages with titles containing Ivanyuk