Kwon Boa (, , , born November 5, 1986), commonly stylized and known by her stage name BoA, is a South Korean singer and actress active in South Korea and Japan. She is referred to as the Queen of Korean Pop.

Boa, BoA, or BOA may refer to:

• Any member of the Boidae, a family of medium to large, non-venomous, constricting snakes
  • Any member of the Boinae, a subfamily of boid snakes
    • Any member of Boa (genus), a group of boid snakes
• Any member of the Bolyeriidae, a.k.a. Round Island boas, a small family of non-venomous snakes from Mauritius and nearby islands
• Any member of the Tropidophiidae, a.k.a. dwarf boas, a family of non-venomous snakes found in Central America, South

Bôa is a British alternative/indie band formed in London in 1993 by drummer Ed Herten. Boa's current lineup consists of Jasmine Rodgers (vocals), Steve Rodgers (vocals & guitar), Alex Caird (bass) and Lee Sullivan (drums & piano). The band progressed from a funk band to a rock band over the years. They produced two major albums, Twilight (2001) and Get There (2005). Their track "Duvet" was the opening theme song to the anime television series Serial Experiments Lain. The band was originally signed by Polystar in Japan and produced their first album 'Race of a Thousand Camels' (1998). However, the band decided to change labels and signed with Pioneer LDC (now called Geneon) to produce their album Twilight (2001).