List of symbols of Scientology
This is a list of symbols of Scientology, the Church of Scientology, and related organizations.
| Name | Image | Description |
| Scientology symbol | The Scientology symbol is an "S" curving through two triangles. The "S" stands for Scientology. The top triangle represents the KRC triangle — knowledge, responsibility and control. The lower triangle consists of the ARC triangle – affinity, reality and communication. See also Scientology beliefs and practices § ARC and KRC triangles. | |
| Dianetics symbol | A triangle with alternating stripes of green and yellow. The green stripes represent growth, while the yellow stripes represent life. The four green stripes also recall the four divisions of a human's urge to survive, which are revealed in Dianetics. | |
| Division 6 symbol | A simple triangle with an infinity symbol woven across, it is used to mark introductory materials. | |
| Operating Thetan symbol | The Operating Thetan symbol is an oval combining the letters O and T, with the T completely within the O. Scientologists who have achieved OT V, can use the advanced logo which has a wreath around the O. The Operating Thetan symbol with wreath is prominently displayed on the side of the Scientology cruise ship Freewinds. | |
| Church of Scientology cross symbol | The Scientology cross is an eight-pointed cross; a Latin cross with four additional points. It is used to denote "Scientology". The cross's eight points represent the eight dynamics in Scientology. Created in 1955 as a silver cross, three inches high, to be worn on a chain high near the neck. The cross is not associated with the Christian cross. | |
| Sea Org symbol | The symbol for the Sea Org is of two crossed laurel branches with a five-pointed star above. | |
| L. Ron Hubbard symbol | This symbol is a pictograph made of a cursive "L", "R" and "H". Designed to imitate an assay office hallmark, it is used to authenticate Scientology materials, devices, jewelry and other related religious products. | |
| Church of Spiritual Technology logo | This symbol for the Church of Spiritual Technology is two overlapping circles with a lozenge inside each circle. It is landscaped onto the Earth's surface at Scientology's Trementina Base, in a mountainous region of New Mexico, and can be seen by satellite. |