Karin Andrea Sabine Dahmen (born 1969)[1] is a German condensed matter physicist whose research interests include non-equilibrium thermodynamics, critical phenomena, crackling noise, pattern formation, and quenched disorder, with wide applications of these topics to phenomena such as earthquakes, avalanches, variable stars, and population dynamics. She is a professor of physics at the University of Illinois at Urbana–Champaign.[2]