6 September – 20 November 2018
Nations League Finals:
5–9 June 2019
|Champions||Portugal (1st title)|
|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.