Sickel or Sickels is the surname of:
Dale Van Sickel (1907–1977), All-American college football player and motion picture stunt performer
Frederick Ellsworth Sickels (1819–1895), American inventor
Horatio G. Sickel (1817-1890), Union general during the American Civil War
John Sickels (b. 1968), American baseball writer
Theodor von Sickel (1826-1908), German-Austrian historian
