María Concepción Balboa Buika (born 11 May 1972), known as Concha Buika or Buika, is a Spanish-born Equatoguinean singer. Her album "Niña de Fuego" was nominated for the 2008 Latin Grammy Award for Album of the Year and "La Noche Más Larga" was nominated for Best Latin Jazz Album at the 56th Annual Grammy Awards in 2014.