People with the surname Wackernagel include:
Barbara Wackernagel-Jacobs (born 1950), a German politician
Christof Wackernagel (born 1951), German actor and author, terrorist of the RAF
Elisabeth Wackernagel (born 1947), a German politician (CDU)
Katharina Wackernagel (born 1978), a German actress
Lars Wackernagel (born 1975), German cyclist
Martin Wackernagel (1881 - 1962), a Swiss art historian
Mathis Wackernagel (born 1962), a Swiss-born sustainability advocate
Philipp Wackernagel (1800 - 1877), hymnologist
(Karl Heinrich) Wilhelm Wackernagel (1806, Berlin - 1869), a German-Swiss philologist, Germanist, father of JacobJacob (Jakob) Wackernagel (1853 - 1938), a Swiss Indo-Europeanist and scholar of Sanskrit
Wackernagel's Law, named after Jacob