Lunacy
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

See also
Luna (disambiguation)
Lunatic (disambiguation)