Matches played 138 Dates 1 Feb 2005 – 14 Jul 2005 Goals scored 412 | Runners-up Atlético Paranaense Champion São Paulo FC Teams 38 | |
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Similar 2005 Campeonato Paulista, 1995 Copa Libertadores, 2013 Copa Libertadores Finals, Torneio Rio‑São Paulo 2001, 2005 FIFA Club World Champio |
The 2005 Copa Libertadores was the 46th edition of the Copa Libertadores. The champion also qualified for the 2005 FIFA Club World Championship.
Contents
- Preliminary round
- Group stage
- Qualified teams
- Round of 16
- Quarterfinals
- Semifinals
- Final
- Top goalscorers
- References

It was the first time ever that two teams from the same country reached the final. This year's tournament was also the first Copa Libertadores to employ the away goals rule in knockout ties. São Paulo won the tournament, becoming the first Brazilian team to win the cup on three occasions.

Preliminary round
12 teams from 11 football associations dispute 6 places in the Group Stage.
Team #1 was home in the first leg.
Group stage

The six winners from the preliminary round join the other twenty-six teams in the group stage. The top 2 teams in each group advanced to the knockout stage.
Tiebreakers, if necessary, are applied in the following order:
- Cumulative goal difference.
- Total goals scored.
- Away goals scored.
- Sorting
Qualified teams

The teams seeded 1 to 8 (first placed teams of each group) and 9 to 16 (second placed teams of each group) and the ties were 1 vs 16, 2 vs 15, etc.
Round of 16

First leg matches were played between May 17, 2005 and May 19, 2005. Second leg matches were played between May 24, 2005 and May 26, 2005.
Quarterfinals
First leg matches were played on June 1, 2005 and June 2, 2005. Second leg matches were played between June 14, 2005 and June 16, 2005.
Semifinals
First leg matches were played on June 22, 2005 and June 23, 2005. Second leg matches were played on June 29, 2005 and June 30, 2005.
Final
First leg match was played on July 6, 2005. Second leg match was played on July 14, 2005.
Top goalscorers
9 goals
6 goals
5 goals