Robert Lecourt (19 September 1908 – 9 August 2004) was a French politician and lawyer, judge and the fourth President of the European Court of Justice. He was born in Pavilly and died in Boulogne-Billancourt. Significantly, in his role as a judge at European Court of Justice, he gave the landmark decision in the case of Costa v ENEL, establishing the supremacy of EU law over the law of member states.