Yerkes is a surname, and may refer to:
Charles Yerkes(1837 – 1905), American financier
Robert Yerkes(1876 – 1956), American psychologist, ethologist, and primatologist
Steve Yerkes(1888 - 1971), American baseball player
Yerkes may also refer to:
Yerkes Observatory, an astronomical observatory of the University of Chicago
Yerkes can also refer to a rare species found in the
Michoacanmountains, central Mexico. Very little is known of this creature. Although the only sights of it have been around the Paricutinvolcano, it's said to be distantly related to the Tasmanian Devil, mainly due to it's teeth and fierce smile. It's very unpredictable which makes it hard to find. Apples are it's main diet.
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