Boo is an onomatopoeic word for a loud, startling sound, as an exclamation intended to scare, or as a call of derision (see booing). Boo or BOO may also refer to: Places Boo (Aller), parish in Asturias, Spain Boo, standard abbreviation for the constellation Boötes Boo, Ghana, a town in Lawra District in the Upper West RegionDeja Boo, Guinea, in Nzérékoré Prefecture; see List of schools in Ghana Boo, Sweden, locality in Stockholm County Bodø Airport in Norway, IATA airport code BOO Boo Islands, West Papua, Indonesia Station Code for Bogor railway station People Boo (name), a list of people with the given name, nickname or surname Betty Boo (born 1970), English singer, songwriter and pop rapper Alison Moira Clarkson Gangsta Boo (born 1979), American rapper Sabrian "Boo" Sledge, half of the American hip hop duo Boo & Gotti Ben Okello Oluoch, Kenyan politician and host of the radio program Kogwen gi BOO Arts, entertainment, and media Fictional characters Boo (character), a ghost character in the Mario series Boo (Sonic the Hedgehog character), a ghost character in Sonic the Hedgehog series Boo, a hamster belonging to Minsc in Baldur's Gate, and a character in Megatokyo Boo, a character in the Malaysian animated television series Boo & Me Boo, a character in the manga and anime Crayon Shin-chan Boo, a human baby girl in the animated film Monsters, Inc. Boo, Carrie Black's nickname in Orange Is the New Black Boo! (comic strip), a character in the British comic The Dandy created by Andy Fanton Majin Boo, an anime and manga character in Dragon Ball Boo Radley, a character in the novel To Kill a Mockingbird and its adaptations Boo, the title character in Boo! (TV series) Films Boo (film), a 2005 horror film B.O.O.: Bureau of Otherworldly Operations, an animated film Boo! (1932 film), a 1932 comedy film Boo! (2018 film), a 2018 horror film Boo! A Madea Halloween, a 2016 horror comedy film Boo 2! A Madea Halloween, a 2017 horror comedy film Music Boo! (album), by Was (Not Was) Boo! (band), a South African band Born of Osiris, an American heavy metal band Television Boo! (TV series), a 2003–2006 British children's series "Boo" (CSI: NY), a 2007 episode "Boo" (Dark Angel), a 2001 episode "Boo!" (Frasier), a 2004 episode "Boo!" (Roseanne), a 1989 episode "Boo!" (Space Ghost Coast to Coast), an episode of Space Ghost Coast to Coast Literature