Semenyuk or Semeniuk () is a Ukrainian surname. Notable people with the surname include: Andrey Semenyuk (born 1971), Belarusian diver Kamil Semeniuk (born 1996), Polish volleyball player Karolina Semeniuk-Olchawa (born 1983), Polish handball player Oleksandr Semenyuk (born 1987), Ukrainian footballer Serhiy Semenyuk (born 1991), Ukrainian footballer Valentyna Semenyuk-Samsonenko (1957–2014), Ukrainian politician Vasyl Semeniuk (born 1949), Ukrainian bishop Yurii Semeniuk (born 1994), Ukrainian volleyball player See also Ukrainian-language surnames