| Freemasons | c. 1717 | England | Fraternal organization with secret rituals and symbols; emphasizes moral and spiritual values. |
| Skull and Bones | 1832 | United States | Elite Yale University society known for influential alumni in government and business. |
| Bavarian Illuminati | 1776 | Germany | Enlightenment-era society aiming to promote reason and secularism; subject of many conspiracy theories. |
| Rosicrucians | Early 17th century | Germany | Mystical fraternity promoting esoteric knowledge and spiritual enlightenment. |
| Bohemian Club | 1872 | United States | Exclusive men’s club hosting annual retreats at Bohemian Grove; includes prominent figures. |
| Bilderberg Group | 1954 | Netherlands | Annual conference fostering dialogue between Europe and North America; attended by leaders and experts. |
| Priory of Sion | 1956 (hoax) | France | Alleged secret society popularized by novels; claims to protect the bloodline of Jesus Christ. |
| Ordo Templi Orientis | Early 20th century | England/Germany | Mystical organization associated with Aleister Crowley; practices ceremonial magic. |
| Knights Templar | c. 1119 | Jerusalem | Medieval Christian military order; subject of modern legends and speculations. |
| Hermetic Order of the Golden Dawn | 1887 | United Kingdom | Society devoted to the study and practice of the occult, metaphysics, and paranormal activities. |
