Diego Costa (Diego da Silva Costa, born 1988) is a professional footballer.
Diego Costa may also refer to:
Diego (footballer, born 1979) (Diego Costa Silva), Brazilian footballer Diego (footballer, born 1982) (Diego Salgado Costa de Menezes), Brazilian footballer Diego Costa (footballer, born 1999) (Diego Henrique Costa Barbosa), Brazilian footballer
See also Diogo Costa (born 1999), Portuguese footballer Diogo Costa (sailor) (born 1997), Portuguese sailor