Breuning is a surname. Notable people with the surname include:
Gerhard von Breuning (1813–1892), Austrian physician Olaf Breuning (born 1970), Swiss artist Stephan von Breuning (entomologist) (1894–1983), Austrian entomologist Stephan von Breuning (librettist) (1774–1827), German civil servant and librettist Walter Breuning (1896–2011), American supercentenarian
See also Bruning (surname)