Kuklos () means "ring" or "circle" in Greek, and may also refer to:
Kuklos Adelphon, a defunct fraternity which was founded at the University of North Carolina in 1812 Kuklos Anankes, the circle of necessity in mysticism Kuklos, a revolving restaurant atop the Berneuse in the Swiss Alps Ku Klux Klan, an American terrorist and political movement that took its name from the Greek term Fitzwater Wray (c.1870–1938), British cycling journalist, who used the pseudonym Kuklos