Mantena may refer to:

Immediate Geographic Region of Mantena, Minas Gerais, Brazil Mantena, Minas Gerais, a municipality within the geographic region Mantena (company), a Norwegian engineering company Madhu Mantena (born 1975), Indian film producer and entrepreneur Mantena Rama Raju, Indian politician elected in 2019

See also Manthena Venkata Raju (1904–1968), Indian politician and social worker