Janet Suzanne Sinsheimer (August 28, 1957 – March 14, 2023)[1][2] was an American expert in statistical genetics who worked as a professor of human genetics, biomathematics and biostatistics in the Fielding School of Public Health at the University of California, Los Angeles.[3] Topics in her research included genome-wide association studies, epigenetics, and Bayesian methods for phylogenetics.