2017 Copa Libertadores group stage

The 2017 Copa Libertadores group stage was played from 7 March to 25 May 2017. A total of 32 teams competed in the group stage to decide the 16 places in the final stages of the 2017 Copa Libertadores.

Draw
The draw for the group stage was held on 21 December 2016, 20:00 PYST (UTC−3), at the CONMEBOL Convention Centre in Luque, Paraguay.

Teams were seeded by their CONMEBOL ranking of the Copa Libertadores (shown in parentheses), taking into account of the following three factors:
 * 1) Performance in the last 10 years, taking into account Copa Libertadores results in the period 2007–2016
 * 2) Historical coefficient, taking into account Copa Libertadores results in the period 1960–2006
 * 3) Local tournament champion, with bonus points awarded to domestic league champions of the last 10 years

The following were the four winners of the third stage of qualifying which joined the 28 direct entrants in the group stage.

Groups
The fixture list was determined by the draw as follows:
 * Round 1: Team 3 vs. Team 1, Team 4 vs. Team 2
 * Round 2: Team 1 vs. Team 4, Team 2 vs. Team 3
 * Round 3: Team 2 vs. Team 1, Team 3 vs. Team 4
 * Round 4: Team 1 vs. Team 2, Team 4 vs. Team 3
 * Round 5: Team 4 vs. Team 1, Team 3 vs. Team 2
 * Round 6: Team 1 vs. Team 3, Team 2 vs. Team 4

The matches were played on 7–9, 14–16 March, 11–13, 18–20 April, 25–27 April, 2–4, 10, 16–18 and 23–25 May 2017.