Heidegger (disambiguation)

Heidegger may refer to:
 * Heidegger (surname)
 * Martin Heidegger (1889–1976), a German philosopher
 * Johann Heinrich Heidegger (1633-1698), a Swiss theologian
 * Heidegger, a philosophical body of work encompassed by Heidegger Gesamtausgabe

In fictional characters:
 * Heidegger, a character in Final Fantasy VII
 * Heidegger, a character in "Dr. Heidegger's Experiment", a short story by Nathaniel Hawthorne