2018–19 UEFA Nations League
| Tournament details | |
|---|---|
| Dates | League phase: 6 September – 20 November 2018 Nations League Finals: 5–9 June 2019 |
| Teams | 55 |
| Final positions | |
| Champions |  Portugal (1st title) |
| Runners-up |  Netherlands |
| Third place |  England |
| Fourth place |  Switzerland |
| Tournament statistics | |
| Matches played | 142 |
| Goals scored | 342 (2.41 per match) |
| Attendance | 2,467,041 (17,374 per match) |
| Top scorer(s) |  Aleksandar Mitrović (6 goals) |
The 2018–19 UEFA Nations League was the inaugural season of the UEFA Nations League.