The Federal Ministry of Education and Research (BMBF) is involved in the European initiative “Water Challenges for a Changing World” (Joint Programming Initiative, JPI Water). For the workshop “Towards a Common Strategy for International Cooperation”, JPI Water invited the Catch-Mekong project leader to report on the Vietnamese perspective of international cooperation, especially from Catch-Mekong project. The workshop took place on 25 June 2019 in Paris and brought together 40 scientists from the EU, India, South Africa, Brazil, China and Vietnam involved in water related research. The participants shared their experiences in international cooperation, discussed the challenges of cooperation and possible solutions for the further development of future programs.