Jaeckel is a surname. Notable people with the surname include:
Antonie Jaeckel (1876–1960), German actressBarry Jaeckel (born 1949), American professional golferEgbert Jaeckel (1919–1943), Hauptmann in the Luftwaffe during World War IIGunther Jaeckel, New York City furrierJake Jaeckel (born 1942), former American baseball pitcherJohn P. Jaeckel (1865–1941), American politicianPeter Jaeckel, mathematician, and finance academic and practitionerRichard Jaeckel (1926–1997), American actor of film and televisionTracy Jaeckel (1905–1969), American fencer