Vaterpolo klub Partizan (Serbian Cyrillic: Ватерполо клуб Партизан) is a professional water polo club based in Belgrade, Serbia. VK Partizan is one of the sports clubs in Serbia that is part of sport society Partizan. As of 2021–22 season, the club competes in the Serbian League. Partizan's home terrain is the pool which is part of the Sportski centar Voždovac on Banjica complex. The club is supported by Grobari, fans of all sport clubs competing under the name of Partizan Belgrade.