Unterberger is a German surname. Notable people with the surname include:Andreas Unterberger, Austrian curler and coach Anna Unterberger, Italian actress Betty Miller Unterberger (1922–2012), American historian and professor Carola Unterberger-Probst, Austrian media artist and philosopher of art Christof Unterberger, Austrian cellist and composer Cristopher Unterberger (1732–1798), Italian painter David Unterberger, Austrian ski jumper Ignaz Unterberger (1748–1797), Italian-Austrian painter and printmaker Julia Unterberger, Italian politician Michelangelo Unterberger (1695–1758), Austrian painter Richie Unterberger, American author and journalist Siegfried Unterberger (1893–1979), Austrian university teacher