Lacan is the surname of:
- Jacques(-Marie-Émile) Lacan (1901–1981), French psychoanalyst and psychiatrist
- The Seminars of Jacques Lacan
- From Bakunin to Lacan: Anti-Authoritarianism and the Dislocation of Power, a book on political philosophy by Saul Newman
- Lacan at the Scene
- Judith Miller, née Lacan