The 2015 UEFA Europa League Final was played at the National Stadium in Warsaw, Poland,[1] with Spanish side and title holders Sevilla defeating Ukrainian side Dnipro Dnipropetrovsk 3–2 to win a record fourth title.

[2] This season was the first where clubs must comply with UEFA Financial Fair Play Regulations in order to participate.

[7] 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.

[8] Another ruling centred in regional instability was also made where Israeli teams were prohibited from hosting any UEFA competitions due to the 2014 Israel–Gaza conflict (whilst the ruling ended a short time after the war, all the country's sides were eliminated before it ended).

[9] The rules regarding suspension due to yellow card accumulation were also changed such that all bookings expired on completion of the quarter-finals and were not carried forward to the semi-finals.

However, this additional entry is not necessary for this season since the title holders qualified for European competitions through their domestic performance.

When a place is vacated, it is redistributed within the national association by the following rules:[12] The labels in the parentheses show how each team qualified for the place of its starting round:[19][20][21] Notably three teams take part in the competition that do not currently play in their national top-division.

[16][36] Matches in the qualifying, play-off, and knockout rounds may also be played on Tuesdays or Wednesdays instead of the regular Thursdays due to scheduling conflicts.

VfL Wolfsburg, Torino, Feyenoord, Guingamp, Saint-Étienne, Rio Ave, Dynamo Moscow, Krasnodar, Lokeren, Asteras Tripolis, Qarabağ, HJK, Astra Giurgiu, Dinamo Minsk and AaB made their debut appearances in the UEFA Europa League group stage (not counting UEFA Cup group stage appearances), although VfL Wolfsburg had already competed in the 2009–10 UEFA Europa League knockout phase after a third place in the 2009–10 UEFA Champions League group stage.

Red Bull Salzburg's 21 goals scored set a new Europa League group stage record.