The Grand Inquisitor is a philosophical and spiritual essay by H. P. Blavatsky that examines themes of authority, conscience, freedom, and religious power. Drawing on theological reflection and esoteric thought, Blavatsky explores the tension between institutional religion and individual spiritual awakening.

The work reflects Blavatsky's broader critique of dogma and external authority, emphasizing the importance of inner truth, moral responsibility, and intellectual freedom. Through symbolic and philosophical analysis, she challenges rigid interpretations of faith and calls attention to the dangers of spiritual control exercised through fear and obedience.

As a public domain text, The Grand Inquisitor offers readers insight into late nineteenth-century spiritual philosophy and the foundations of modern esoteric thought. It remains a valuable work for those interested in religious philosophy, mysticism, and the study of spiritual liberty.