| Tourney Name: | Copa Mercosur |
| Yearr: | 1999 |
| Dates: | 27 July – 20 December 1999 |
| Num Teams: | 20 |
| Associations: | 5 |
| Champion Other: |  Flamengo |
| Count: | 1 |
| Second Other: | Palmeiras |
| Matches: | 74 |
| Goals: | 224 |
| Top Scorer: | Romário (8 goals) |
| Prevseason: | 1998 |
| Nextseason: | 2000 |
The Copa Mercosur 1999 was the 2nd season of the Copa Mercosur, a club competition played between teams from the Southern part of South America.
The competition started on 27 July 1999 and concluded on 20 December 1999 with Flamengo beating Palmeiras in the final.
| width=125 | Country | width=150 | Team |
|---|---|---|---|
 Argentina(6 berths) | Boca Juniors | ||
| Independiente | |||
| Racing | |||
| River Plate | |||
| San Lorenzo | |||
| Vélez Sarsfield | |||
(7 berths) | Corinthians | ||
| Cruzeiro | |||
| Grêmio | |||
| Flamengo | |||
| Palmeiras | |||
| São Paulo | |||
| Vasco da Gama | |||
(3 berths) | Colo-Colo | ||
| Universidad Católica | |||
| Universidad de Chile | |||
 Paraguay(2 berths) | Cerro Porteño | ||
| Olimpia | |||
(2 berths) | Nacional | ||
| Peñarol | |||
---- ---- ----
Palmeiras won 7–5 on aggregate.----
Flamengo won 5–1 on aggregate.----
San Lorenzo won 4–2 on aggregate.----
Peñarol won 3–1 on aggregate.
---- ----
Palmeiras won 3–1 on aggregate.----
Flamengo won 6–3 on aggregate.
----
|
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1999 Copa Mercosur Winner | |
|---|---|
| |
| Flamengo First Title |