Kempf is a surname. Notable persons with that name include:
Andreas Kempf (born 1967), German curlerFranz Kempf (born 1926), Australian artistFreddy Kempf (born 1978), British pianist residing in BerlinHippolyt Kempf (born 1965), Swiss skierJulije Kempf (1864–1934), Croatian historian and writerMartine Kempf, French scientistPaul Kempf (1856–1920), German astronomer, astrophysicianRoger Kempf (1927–2014), French writerStarr Kempf (1917–1995), American sculptor and architect best known for his wind kinetic sculpturesWerner Kempf (1886–1964), German World War II Panzer GeneralWilhelm Kempf (bishop) (1906–1982), German bishop of the Roman Catholic Diocese of LimburgWilhelm Kempf (psychologist) (born 1947), Austrian psychologist and researcher