Hiller is a surname. Notable people with the surname include:

Philip Frederick Hiller (1699–1769), German Evangelical parson and hymnwriter Johann Adam Hiller (1728–1804), German composer Johann von Hiller (1754–1819), Austrian general Friedrich Adam Hiller ( – 1812), German composer, son of Johann Adam Hiller Ferdinand Hiller (1811–1885), German composer (born Ferdinand Hildesheim) Heinrich Hiller (1846–1912), German artist H. Gustave Hiller (1865–1946), artist and stained glass designer Hiram M. Hiller, Jr. (1867–1921), American physician and ethnographer Lejaren Hiller Sr. (1880–1969), American photographer and illustrator Arthur Hiller (1881–1941), German football player Kurt Hiller (1885–1972), German socialist writer Marius Hiller (1892–1964), German football player Matthias Hiller (theologian) (1646–1725), German theologian Matthias Hiller (politician) (born 1985), German politician Hob Hiller (1893–1956), American baseball player Wendy Hiller (1912–2003), English actress Arthur Hiller (1923–2016), Canadian film director Lejaren Hiller (1924–1994), American composer Stanley Hiller (1924–2006), one of the early developers of the helicopter Tony Hiller (1927–2018), English songwriter and record producer Chuck Hiller (1934–2004), American baseball player Susan Hiller (1940–2019), American-born British conceptual artist John Hiller (born 1943), Canadian former baseball pitcher Kit Hiller (born 1948), Australian linocut printer and oil painter Holger Hiller, (born 1956), German musician István Hiller (born 1964), Hungarian politician Ulrike Hiller (born 1965), German politician Jim Hiller (born 1969), ice hockey coach and retired player Jonas Hiller (born 1982), Swiss ice hockey goalkeeper Carolina Hiller (born 1997), Canadian speed skater Scott Hiller (), American lacrosse coach