Alexandros Papanastasiou (water polo)

Alexandros Papanastasiou (born 12 February 1999) is a Greek water polo player. He competed in the 2020 Summer Olympics, where he won a silver medal as a member of the Greek team.

Club
Jug Dubrovnik Olympiacos
 * Croatian Championship: 2018–19, 2019–20, 2021–22
 * Croatian Cup: 2018–19


 * Greek Championship: 2022–23
 * Greek Cup: 2022–23, 2023–24

Individual

 * Youth European Championship MVP: 2018 Minsk
 * Croatian Championship Left Driver of the Year: 2018–19, 2019–20, 2021–22
 * Adriatic League Young Player of the Year: 2018–19
 * World Championship Team of the Tournament: 2023
 * Member of the World Team by total-waterpolo: 2023