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