The European Union–Mercosur free trade agreement is a proposed free trade agreement on which the European Union and Mercosur reached agreement in principle in 2019.

The planned deal was announced on 28 June at the 2019 G20 Osaka summit after twenty years of negotiations. The agreement is praised  but also criticized by NGOs, scientists, unions, farmers and indigenous people with both positive and negative aspects usually balanced during discussions. Although there is agreement in principle, the final texts have not been finalised, signed, or ratified and therefore have not entered into force. If ratified, it would represent the largest trade deal struck by both the EU (512 million inhabitants before Brexit) and Mercosur (260 million inhabitants), in terms of numbers of citizens involved. The draft trade deal is part of a wider Association Agreement between the two blocs. Besides trade, the association agreement would also deal with cooperation and political dialogue. Negotiations on these two parts were concluded on 18 June 2020. The President of the European Commission Ursula von der Leyen and her counterparts from four Mercosur countries (Brazilian President Lula, Argentinian President Milei, Paraguayan President Peña, and Uruguayan President Lacalle Pou) finalised negotiations and reached a political agreement on 6 December 2024 for a EU-Mercosur partnership agreement.

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EU and Mercosur reach political agreement on groundbreaking partnership

Brandbrief aan de EU: het is nu of nooit – STOP het EU-Mercosur akkoord!⁠

Approved EU-Mercosur deal could spell disaster for animals

STOP EU-Mercosur – petitie

Handelsverdragen : Mercosur