Elly de Groen-Kouwenhoven (; ; 23 December 1949 â 19 October 2025), generally known as Els de Groen, was a Dutch author and politician, who served as a Member of the European Parliament 2004âÂÂ2009. She was a member of Europe Transparent, which sat with the Greens/EFA party group. As an MEP, she was a member of the Committee on Civil Liberties, Justice and Home Affairs and the Committee on Petitions, as well as a member of the delegation to the EU–Bulgaria Joint Parliamentary Committee and a substitute for the delegation for relations with the countries of Southeast Europe. De Groen died on 19 October 2025, at the age of 75.