Keppler is a name of German origin. An alternative spelling is Kaeppler, and a closely related name is Kepler. The surname Keppler may refer to:

Adrienne L. Kaeppler (1935–2022), American anthropologist Bernhard Keppler (born 1956), German chemist Ernest Keppler (1918–2001), American politician and judge Georg Keppler (1894–1966), German military leader Herbert Keppler (1925–2008), American photographer Joseph Keppler (1838–1894), American cartoonist Reinhardt J. Keppler (1918–1942), American sailor Rudolph Keppler (1845–1923), German-American banker and president of the New York Stock Exchange Stephan Keppler (born 1983), German skier Udo Keppler (Joseph Keppler Jr.) (1872–1956), American cartoonist Victor Keppler (1904–1987), American photographer Wilhelm Keppler (1882–1960), German businessman

Other uses USS Keppler, several United States Navy ships

See also Johannes Kepler (1571–1630), German astronomer and mathematician Kepler (disambiguation) Keppel (disambiguation)