Yerkes

Yerkes may refer to:


 * Yerkes (surname), notable people with this surname
 * Yerkes, Kentucky
 * Yerkes, Pennsylvania
 * Yerkes Observatory, an astronomical observatory of the University of Chicago
 * Yerkes luminosity classification of stars
 * Yerkes scheme of galaxy morphological classification
 * Yerkes National Primate Research Center, one of eight national primate research centers funded by the National Institutes of Health, located in Atlanta, Georgia at Emory University
 * Yerkes–Dodson law, an empirical relationship between arousal and performance first noted by Robert M. Yerkes and John Dillingham Dodson
 * 990 Yerkes, main belt asteroid
 * Yerkes (crater), on the Moon