Preyer is a surname. Notable people with this surname include:
Abraham Preyer (1862–1927), Dutch art dealer and collector Carl Adolph Preyer (1863–1947), German-American pianist, composer, and teacher Gottfried von Preyer (1807–1901), Austrian composer, conductor, and teacher Johann Wilhelm Preyer (1803–1889), German still life painter L. Richardson Preyer (1919–2001), American jurist and politician William Thierry Preyer (1841–1897), English-born physiologist who worked in Germany
See also Prior (surname) Pryor Pryer