The 12th Liquid Matter Conference will take place at the Johannes Gutenberg University Mainz, Germany, 22-27 September 2024, organised by Hans-Jürgen Butt, Burkhard Dünweg, Kurt Kremer, Friederike Schmid, Thomas Speck, Peter Virnau and Doris Vollmer. The aim of the conference is to bring together scientists working on the liquid state of matter. This rapidly growing field includes the physics, chemistry, biology, and chemical engineering of liquid matter as well as various applied research areas in the chemical, pharmaceutical and food industries.