Lawrence LeShan (born September 6, 1920) is an American psychologist, educator and the author of the best-selling How to Meditate (1974) a practical guide to meditation.
He has authored or co-authored approximately 75 articles in the professional literature and thirteen books on a diverse range of topics including psychotherapy, war, cancer treatment, and mysticism.
He has also written science fiction under the pseudonym Edward Grendon.