João Costa may refer to:
Places
edit- João Costa, Piauí, Brazil
People
edit- João Cruz Costa (1904–1978), a Brazilian philosopher
- João Resende Costa (1910–2007), Brazilian Roman Catholic bishop
- João Costa (fencer) (1920–2010), Portuguese fencer
- João Costa (sport shooter) (born 1964), Portuguese sports shooter
- João Costa (politician) (born 1972), Portuguese politician
- João Costa (footballer, born 1996), Portuguese football goalkeeper for Feirense
- João Costa (footballer, born 2000), Portuguese football striker for Santa Clara
- João Costa (footballer, born 2005), Portuguese football winger for Roma