Konstantinos Volanakis or Volonakis (Greek: Κωνσταντίνος Βολανάκης or Βολονάκης, b.Heraklion, Crete, 1837- d. 29 June 1907) was a Greek painter, considered one of the best of the 19th century. Born to a wealthy family, he went to Trieste, Italy, in 1856 where he took up painting. He studied in the Munich Academy. He is one of the foremost representatives of the Munich School, a Greek artistic movement of the 19th century. Michalis Oikonomou, another Greek painter, was one of his pupils.

He died in 1907. His works are today exhibited in major museums in Greece and abroad.