Dahlke is a German surname. Notable people with the surname include:
Hermann Dahlke (1917–1943), German Untersturmführer in the Waffen SS
Jerry Dahlke (1929–2006), American Baseball pitcher
Kurt Dahlke (born 1958) a.k.a. Pyrolator, German musician and producer
Paul Dahlke (1904–1984), German stage and film actor
Paul Dahlke (1865-1928), German physician and Buddhist