Hockey at the 2004 Summer Olympics will be held at the Olympic Hockey Centre located within the Helliniko Olympic Complex.
In February a test competition involving four each men's and women's teams was held at the site with Spain taking the honours for the men and South Africa the women's.
The competitions for both men and women and be split into two groups with the top two teams after the preliminary rounds progressing through to the semi-finals.
Men's Pool A | Pool B | Final Stages
Women's Pool A | Pool B | Final Stages
Medal Winners
Men
| Gold: | Silver: | Bronze: |
Women
| Gold: | Silver: | Bronze: |
Men's Event
The men's event will be contested by twelve teams with Sydney gold medallists Netherlands trying to make it a Hat trick of Olympic titles:
Men's Pool A
| Team | Pld | Wins | Draws | Losses | GF | GA | Pts |
| Germany | 3 | 2 | 1 | 0 | 9 | 3 | 7 |
| South Korea | 3 | 2 | 0 | 1 | 4 | 6 | 6 |
| Pakistan | 3 | 2 | 0 | 1 | 11 | 2 | 6 |
| Spain | 3 | 1 | 2 | 0 | 7 | 5 | 5 |
| Great Britain | 3 | 1 | 0 | 2 | 8 | 9 | 3 |
| Egypt | 3 | 0 | 0 | 3 | 14 | 4 | 0 |
| August 15 | 18:00 | South Korea | 1 | - | 1 | Spain |
| August 15 | 18:30 | Germany | 2 | - | 1 | Pakistan |
| August 15 | 20:00 | Great Britain | 3 | - | 1 | Egypt |
| August 17 | 08:30 | South Korea | 3 | - | 2 | Great Britain |
| August 17 | 18:30 | Egypt | 0 | - | 7 | Pakistan |
| August 17 | 20:30 | Spain | 1 | - | 1 | Germany |
| August 19 | 10:30 | Pakistan | 3 | - | 0 | South Korea |
| August 19 | 18:00 | Germany | 6 | - | 1 | Egypt |
| August 19 | 18:30 | Great Britain | 1 | - | 5 | Spain |
| August 21 | 8:30 | Egypt | - | South Korea | ||
| August 21 | 20:30 | Germany | - | Great Britain | ||
| August 21 | 20:00 | Spain | - | Pakistan | ||
| August 23 | 10:30 | Spain | - | Egypt | ||
| August 23 | 18:00 | Pakistan | - | Great Britain | ||
| August 23 | 18:30 | South Korea | - | Germany |
Men's Pool B
| Team | Pld | Wins | Draws | Losses | GF | GA | Pts |
| Netherlands | 3 | 3 | 0 | 0 | 10 | 6 | 9 |
| Australia | 3 | 2 | 1 | 0 | 10 | 6 | 7 |
| India | 3 | 1 | 0 | 2 | 8 | 9 | 3 |
| South Africa | 3 | 1 | 0 | 2 | 5 | 6 | 3 |
| New Zealand | 3 | 1 | 0 | 2 | 7 | 9 | 3 |
| Argentina | 3 | 0 | 1 | 2 | 4 | 7 | 1 |
| August 15 | 8:30 | Australia | 4 | - | 1 | New Zealand |
| August 15 | 10:30 | Argentina | 1 | - | 2 | South Africa |
| August 15 | 20:30 | Netherlands | 3 | - | 1 | India |
| August 17 | 10:30 | Argentina | 2 | - | 2 | Australia |
| August 17 | 18:00 | South Africa | 2 | - | 4 | India |
| August 17 | 20:00 | New Zealand | 3 | - | 4 | Netherlands |
| August 19 | 08:30 | Netherlands | 3 | - | 2 | South Africa |
| August 19 | 20:00 | New Zealand | 3 | - | 1 | Argentina |
| August 19 | 20:30 | Australia | 4 | - | 3 | India |
| August 21 | 10:30 | India | - | New Zealand | ||
| August 21 | 18:00 | South Africa | - | Australia | ||
| August 21 | 18:30 | Argentina | - | Netherlands | ||
| August 23 | 08:30 | New Zealand | - | South Africa | ||
| August 23 | 20:00 | India | - | Argentina | ||
| August 23 | 20:30 | Australia | - | Netherlands |
Men's Hockey Final Stages
Men's Classification Matches 9th-12th place
| August 25 | 8:30 | - | ||||
| August 25 | 11:00 | - |
Men's Classification Matches 5th-8th place
| August 25 | 18:00 | - | ||||
| August 25 | 20:30 | - |
Men's Classification Match 11th-12th place
| August 27 | 09:00 | - |
Men's Classification Match 9th-10th place
| August 27 | 11:30 | - |
Men's Classification Match 7th-8th place
| August 27 | 08:30 | - |
Men's Classification Match 5th-6th place
| August 27 | 11:00 | - |
Men's Bronze Medal Match
| August 27 | 18:00 | - |
Men's Gold Medal Match
| August 27 | 20:30 | - |
Women's Event
Ten teams will compete in the women's event with Australia, (winners of three of the last four Olympic Games gold medals), looking to keep their remarkable run going.
Women's Pool A
| Group A: | Pld | W | D | L | GF | GA | Pts |
| File:China flag large.png China | 3 | 3 | 0 | 0 | 8 | 0 | 9 |
| File:Argentina flag large.png Argentina | 2 | 2 | 0 | 0 | 7 | 1 | 6 |
.png?lang=en){kind=small} Japan
|
3 | 1 | 0 | 2 | 3 | 6 | 3 |
| File:New zealand flag large.png New Zealand | 2 | 0 | 0 | 2 | 0 | 4 | 0 |
| File:Spain flag large.png Spain | 2 | 0 | 0 | 2 | 0 | 7 | 0 |
| August 14 | 10:30 | China | 3 | - | 0 | Japan |
| August 14 | 20:00 | Argentina | 4 | - | 0 | Spain |
| August 16 | 08:30 | Japan | 1 | - | 3 | Argentina |
| August 16 | 18:00 | New Zealand | 0 | - | 2 | China |
| August 18 | 08:30 | China | 3 | - | 0 | Spain |
| August 18 | 20:00 | Japan | 2 | - | 0 | New Zealand |
| August 20 | 10:30 | New Zealand | - | Argentina | ||
| August 20 | 20:00 | Spain | - | Japan | ||
| August 22 | 10:30 | Spain | - | New Zealand | ||
| August 22 | 18:00 | Argentina | - | China |
Women's Pool B
| Group B: | Pld | W | D | L | GF | GA | Pts |
| File:Netherlands flag large.png Netherlands | 3 | 3 | 0 | 0 | 13 | 5 | 9 |
| File:South korea flag large.png Korea | 3 | 1 | 1 | 1 | 7 | 5 | 4 |
| File:Australia flag large.png Australia | 3 | 1 | 1 | 1 | 6 | 4 | 4 |
| File:Germany flag large.png Germany | 3 | 1 | 0 | 2 | 3 | 8 | 3 |
| File:South africa flag large.png South Africa | 4 | 1 | 0 | 3 | 5 | 12 | 3 |
| August 14 | 08:30 | Netherlands | 6 | - | 2 | South Africa |
| August 14 | 18:00 | Australia | 1 | - | 2 | Germany |
| August 16 | 10:30 | South Africa | 0 | - | 3 | Australia |
| August 16 | 20:00 | Korea | 2 | - | 3 | Netherlands |
| August 18 | 10:30 | Netherlands | 4 | - | 1 | Germany |
| August 18 | 18:00 | South Africa | 0 | - | 3 | Korea |
| August 20 | 08:30 | Korea | 2 | - | 2 | Australia |
| August 20 | 18:00 | Germany | 0 | - | 3 | South Africa |
| August 22 | 08:30 | Germany | - | Korea | ||
| August 22 | 20:00 | Australia | - | Netherlands |
Women's Hockey Final Stages
Women's Classification Matches 5th-8th place
| August 24 | 08:30 | - | ||||
| August 24 | 11:30 | - |
Women's Classification Match 7th-8th place
| August 26 | 08:30 | - |
Women's Classification Match 5th-6th place
| August 26 | 11:00 | - |
Women's Semi Finals
| August 24 | 18:00 | - | ||||
| August 24 | 20:30 | - |
Women's Bronze Medal Match
| August 26 | 18:00 | - |
Women's Gold Medal Match
| August 26 | 20:30 | - |