Péter Biros (born 5 April 1976) is a Hungarian former water polo player, who played on the gold medal squads at the 2000 Summer Olympics, 2004 Summer Olympics and 2008 Summer Olympics, which makes him one of six male athletes who won three Olympic gold medals in water polo. ( Kiss Szecsi Molnar Kasas Benedek Biros) He also competed at the 2012 Summer Olympics.
He is nicknamed Fácán, meaning 'pheasant', and made his debut for the national side in 1997, during an international tournament in Seville, Spain.
After the 2008 Olympics final, Biros revealed that he performed the entire tournament with a cyst by his heart, something that was unknown to the entire team and coaches alike. He insisted that he played with the consent of his doctors, and received a Fair Play award afterwards for it. He was given the honour to carry the national flag of Hungary at the opening ceremony of the 2012 Summer Olympics in London, becoming the 23rd water polo player to be a flag bearer at the opening and closing ceremonies of the Olympics.
Olympic Games: Gold medal - 2000, 2004, 2008
World Championships: Gold medal - 2003; Silver medal - 2005, 2007
European Championship: Gold medal - 1999; Silver medal - 2006; Bronze medal - 2001, 2003, 2008, 2012
FINA World League: Gold medal - 2003, 2004; Silver medal - 2005, 2007; Bronze medal - 2002
FINA World Cup: Gold medal - 1999; Silver medal - 2006, 2006
Euroleague Winners (1): (2004 - with Bp. Honvéd)
LEN Cup Winners (1): (1999 - with UTE)
LEN Super Cup Winner (1): (2004 - with Bp. Honvéd)
Hungarian Championship (OB I): 8x (2002, 2003, 2004, 2005, 2006 - with Bp. Honvéd; 2011, 2013, 2014 - with Eger)
Hungarian Cup (Magyar Kupa): 4x (2006 - with Bp. Honvéd; 2007, 2008, 2015 - with Eger)
Hungarian SuperCup (Szuperkupa): 1x (2005 - with Bp. Honvéd)
Yugoslavian Championship: 1x (2001 - with Bečej)
Yugoslavian Cup: 1x (2001 - with Bečej)
OB I top scorer (Hungarian Championship): 2001–02
Prva HVL top scorer (Croatia Championship): 1999–2000