Sergey Kovalenko may refer to:

Sergei Kovalenko (1947–2002), Soviet basketball player Sergei Kovalenko (sport shooter) (born 1970), Russian sport shooter Sergey Kovalenko (wrestler) (born 1976), Russian wrestler Serhiy Kovalenko (born 1984), Ukrainian footballer Siarhei Kavalenka (born 1975), Belarusian activist