Dr. Gergely "Gergő" Kiss (born 21 September 1977)[2] is a Hungarian former water polo player.

Kiss is one of six male athletes who won three Olympic gold medals in water polo.

Kiss dominated internationally in the 2004 Olympics in Athens, especially in final match against Serbia and Montenegro.

After the Hungarian side came back to tie the game in the fourth quarter, Kiss put in the game-winning goal on a 'power play' opportunity.

Kiss, nicknamed Geri, was greatly influenced by his coach Dénes Kemény.