Water polo at the 2003 Pan American Games

Men's competition

Preliminary round

• August 2, 2003
• August 3, 2003
• August 4, 2003
• August 5, 2003
• August 6, 2003
• August 7, 2003
• August 8, 2003

  Semi Final Round

• August 9, 2003

Final round

• August 10, 2003 — 7th place
• August 10, 2003 — 5th place
• August 10, 2003 — Bronze Medal Match
• August 10, 2003 — Gold Medal Match

Final ranking

Women's competition

Preliminary round

• August 3, 2003
• August 4, 2003
• August 5, 2003
• August 6, 2003
• August 7, 2003

Semi finals

• August 9, 2003

Bronze Medal

• August 10, 2003

Gold Medal

• August 10, 2003

Final ranking