Boo

Boo or BOO may 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 (1979–2023), 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

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)
 * Boo, a pet robot quadruped creature in Remy & Boo

Films

 * Boo (2005 film), a 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 (2023 film), an Indian Telugu language 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
 * "Boo", a season 4 episode of Servant (TV series)

Literature

 * The Boo (book), by Pat Conroy

Computing and technology

 * Boo (programming language)
 * .boo (top-level domain), a top-level domain owned by Google
 * .boo (file extension), a binary-to-text encoding system

Languages

 * Boo dialect, of the Teke-Ebo or Central Teke language, spoken in Congo and the Democratic Republic of the Congo
 * Boko language (Benin), also called Boo language
 * Bomu language, also called Boo, or Western Bobo Wule language
 * Bozo language, ISO 639 code boo, spoken in Mali

Other uses

 * Better Off Out, a political campaign
 * Black Oxygen Organics, a defunct multi-level marketing company
 * Bladder outlet obstruction
 * Boo (dog) (2006–2019)
 * Boô, a Saxon cattle shed
 * "Boo", a term of endearment
 * Boo FF, a Swedish football club in Boo, Stockholm
 * Boo.com, a clothing company
 * Build Own Operate, a form of infrastructure project operating concession