Spiritual Science Institute

Spiritual Science Institute was the name of separate organisations, including:


 * Spiritual Science Institute, a séance group operated by the medium Jennie A. Snyder, also known as Mrs. Stoddard Gray, and her son, Dewitt C. Hough, in the early 1900s;
 * Spiritual Science Institute, Inc., a New York non-profit corporation formed in December 1923 by Julia O. Forrest, founder of Spiritual Science.