| Copa CONMEBOL Libertadores Sub-20 Uruguay 2018 | |
|---|---|
| Tournament details | |
| Host country | Uruguay |
| City | Montevideo |
| Dates | 10–24 February 2018 |
| Teams | 12 (from 10 associations) |
| Venue(s) | 1 (in 1 host city) |
| Final positions | |
| Champions |  Nacional (1st title) |
| Runners-up |  Independiente del Valle |
| Third place | River Plate |
| Fourth place |  São Paulo |
| Tournament statistics | |
| Matches played | 22 |
| Goals scored | 77 (3.5 per match) |
| Top scorer(s) | Stiven Plaza (7 goals) |
← 2016 2020 → | |
The 2018 U-20 Copa CONMEBOL Libertadores (Spanish: Copa CONMEBOL Libertadores Sub-20 2018) was the 4th edition of the U-20 Copa CONMEBOL Libertadores (also referred to as the U-20 Copa Libertadores), South America's premier under-20 club football tournament organized by CONMEBOL. The tournament was held in Uruguay from 10 to 24 February 2018.
Nacional defeated Independiente del Valle in the final to win their first title, while River Plate defeated defending champions São Paulo to finish third.