Lunacy may refer to:
Lunacy, the condition suffered by a lunatic, now used only informally Lunacy (film), a 2005 Jan Švankmajer film Lunacy (video game), a video game for the Sega Saturn video game console Luna Sea, a Japanese rock band originally named Lunacy Lunacy (album), their 2000 album The following of the Roman goddess Luna, a variation of the Greek goddess Selene Lunacy (FIRST), the name of the FIRST Robotics Competition 2009 game Luna-C (born 1973), British DJ and record producer "Lunacy", a song by Swans from The Seer
See also Luna (disambiguation) Lunatic (disambiguation)