Three pillars may refer to: The Three Estates of the realm Three pillars of Sikhism Three pillars of the European Union Three Pillars of Chinese Catholicism Three pillars of sustainability The Three Pillars of Zen (2000), a book by Philip Kapleau The three pillars or columns in the Kabbalistic Tree of Life The three pillars of income support, a policy proposal by The New Physiocrats
See also Four Pillars (disambiguation)