Ahle is a surname. Notable people with the surname include:
Jesper Ahle (born 1981), Danish handball player Johann Rudolph Ahle (1625–1673), German composer Johann Georg Ahle (1651–1706), German composer
See also Ahle (Schwülme), a river of Lower Saxony, Germany, tributary of the Schwülme Acute hemorrhagic leukoencephalitis, a neurological disorder