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

Andreas Dippel (1866–1932), German-born operatic tenor Johann Konrad Dippel (1673–1734), German pietist theologian, alchemist and physician Larry Dippel (born c. 1940), American football coach Leopold Dippel (1827–1914), German botanist

See also Dippel's oil, (sometimes known as bone oil), a nitrogenous by-product of the destructive distillation of bones Dipple (disambiguation)