Titus Fulvius Iunius Quietus (died 261) was a Roman usurper.
Quietus (Latin for "calm" or "at rest") may also refer to:
People Lusius Quietus, Roman general and governor Titus Avidius Quietus, Roman politician
Media
Literature Quietus, a 1940 short sci-fi story by Ross Rocklynne Quietus, a 1979 short story by Orson Scott Card "Quietus", the name of a mass-drowning ceremony in the 1992 novel The Children of Men "Quietus", the name of a suicide kit in the 2006 film adaptation, Children of Men
Music Quietus (album), a 2001 album by the doom metal band Evoken Quietus (Silent Reverie), a song from the 2005 album Consign to Oblivion by Epica The Quietus, a British online music and pop culture magazine
See also Lactarius quietus, a species of mushroom Quietus, a spell used in the Harry Potter series of books "Quietus", a vampiric discipline from the Assamite clan in the role-playing game Vampire: the Masquerade "Quietus", a branch of the organization Contact in Iain M. Bank's fictional universe "Quietus", a sword from the 1995 video game Hexen: Beyond Heretic "Quietus", the lighthouse planet, is a setting in the comic series Saga Dying