These are the rosters of all participating teams at the women's water polo tournament at the 2012 Summer Olympics in London.
Pool A
The following is the Chinese roster in the women's water polo tournament of the 2012 Summer Olympics.
Head coach: Juan Jané
The following is the Hungarian roster in the women's water polo tournament of the 2012 Summer Olympics.
Head coach: András Merész
The following is the Spanish roster in the women's water polo tournament of the 2012 Summer Olympics.
Head coach: Miki Oca
The following is the American roster in the women's water polo tournament of the 2012 Summer Olympics.
Head coach: Adam Krikorian
Pool B
On 12 June 2012, the Australian roster for the women's water polo tournament was announced.
Head coach: Greg McFadden
The following is the British roster in the women's water polo tournament of the 2012 Summer Olympics..
Head coach: Szilveszter Fekete
The following is the Italian roster in the women's water polo tournament of the 2012 Summer Olympics.
Head coach: Fabio Conti
The following is the Russian roster in the women's water polo tournament of the 2012 Summer Olympics.