Konstantinos Genidounias (born 3 May 1993) is a Greek water polo player. He was part of the Greek team that one the bronze medal at the 2015 World Aquatics Championships. Genidounias is considered one of the top scorers in the world. His top personal distinction is when he became the top scorer of the Champions League 2018–19 season as he scored 42 goals while in the same year he emerged ninth top player in the world.
He was a member of the team that competed for Greece at the 2016 Summer Olympics. They finished in 6th place.
Graduated with a degree of communications from the University of Southern California where he attended from 2011 to 2014 and was a member of the Men's Water Polo Team winning three consecutive NCAA championships with the USC Trojans under head coach Jovan Vavic.
He plays for Greek powerhouse Olympiacos, with whom he won the 2017–18 LEN Champions League.
Honours
National team
Silver Medal in 2020 Olympic Games, Tokyo
Silver Medal in 2023 World Championship, Fuonka
Silver Medal in 2018 Mediterranean Games, Tarragona
Bronze Medal in 2013 Mediterranean Games, Mersin
Bronze Medal in 2015 World Championship, Kazan
Bronze Medal in 2022 World Championship, Budapest
Bronze Medal in 2016 World League, Huizhou
Bronze Medal in 2020 World League, Tbilisi
4th place in 2016 European Championship, Belgrade
4th place in 2017 World Championship, Budapest
6th place in 2016 Olympic Games, Rio
Club
Olympiacos
LEN Champions League: 2017–18 ;runners-up: 2015–16, 2018–19
Greek Championship: 2015–16, 2016–17, 2017–18, 2018–19, 2019–20, 2020–21, 2021–22,2022–23 Greek Cup: 2015–16, 2017–18, 2018–19, 2019–20, 2020–21, 2021–22, 2022–23 Greek Super Cup: 2018, 2019, 2020
Trojans
NCCA Championship: 2012, 2013, 2014
Awards
Youth European Championship MVP: 2010 Stuttgart
Peter J. Cutino Award: 2015
LEN Champions League Top Scorer: 2018–19 with Olympiacos
Greek Championship MVP: 2020–21
Greek Championship Left Driver of the Year: 2015–16, 2016–17, 2017–18, 2018–19, 2019–20, 2020–21, 2021–22, 2022–23