Three pillars

Three pillars may refer to:
 * 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