Feiler is a surname. Notable people with the surname include:
Bruce Feiler (born 1964), American author Dror Feiler (born 1951), Israeli-born Swedish musician Gunilla Sköld-Feiler (born 1953), Swedish artist Hertha Feiler (1916–1970), Austrian actress Jo Feiler (born 1951), American artist Manfred Feiler (1925–2020), German artist Matt Feiler (born 1992), American football player Paul Feiler (1918–2013), German-born British artist Uwe Feiler (born 1965), German politician
See also Feiler Faster Thesis