Juan Carlos Carcedo Mardones (Spanish pronunciation: [xwa? 'ka?los ka?'?eðo]; born 19 August 1973) is a Spanish retired footballer who played as a midfielder.
He amassed Segunda División totals of 134 matches and four goals during seven seasons, mainly with Atlético Madrid B and Leganés.
He subsequently worked as an assistant manager, always under Unai Emery.