2018–19 UEFA Youth League knockout phase

The 2018–19 UEFA Youth League knockout phase began on 19 February and concluded on 29 April 2019 with the final at Colovray Stadium in Nyon, Switzerland.

The knockout phase (knockout round play-offs and round of 16 onwards), played as a single-elimination tournament, involved 24 teams: 16 teams which qualified from the UEFA Champions League Path (eight group winners and eight group runners-up), and eight teams which qualified from the Domestic Champions Path (eight second round winners):[2] Each tie was played over a single match.

[2] On 17 July 2014, the UEFA emergency panel ruled that Ukrainian and Russian clubs would not be drawn against each other "until further notice" due to the political unrest between the countries.

[1] The draw for the round of 16 onwards was held on 22 February 2019, 14:00 CET (UTC+1), at the UEFA headquarters in Nyon, Switzerland.

The semi-finals were played on 26 April 2019 at Colovray Stadium, Nyon.