Julio Andrés Arca (born 31 January 1981) is an Argentine former professional footballer, who played as a left-back or central midfielder. Arca spent the majority of his career in the North East of England, firstly for Sunderland from 2000 to 2006, and then for Middlesbrough from 2006 to 2013. He retired from professional football following his release from Middlesbrough, and subsequently played Sunday League football for Willow Pond for the 2014–15 season. He later signed for South Shields, in addition to his return to Sunderland as part of the club's youth coaching staff.