Clube de Futebol Os Balantas is a Guinea-Bissauanfootball club based in Mansôa. They play in the top division in Guinean football, the Campeonato Nacional da Guiné-Bissau. The club is named after the Balanta people (or Southern Balanta), the club location where the people inhabit. Mansoa is the main city of the Balantas in Guinea-Bissau. It is being the most popular club of the Oio Region.
The club was founded in 1974 in Mansôa, the year that the country became independent. It is the first club founded in Mansoa. The team was the first Guinean champion after the independence from Portugal and played in the preliminary round of the African Cup of Champions Clubs 1976, their next appearances was 31 years later at the CAF Champions League 2007. Os Balantas nearly played in every continental competition, they missed the 2014 competition against Séwé Sports as Balantas withdrew. Balantas are one of several clubs that never made a win at the continental championships. They also won their only super cup title in 2006 after winning their second championship title.