Sara del Barrio Aragón (Spanish pronunciation: [ˈsaɾa ðel ˈβarjo aɾaˈɣon];[a] born 10 April 1987) is a Spanish former tennis player.

Del Barrio Aragón has a career-high singles ranking by the Women's Tennis Association (WTA) of 309, achieved on 11 August 2008.

She also has a career-high WTA doubles ranking of 278, achieved on 10 August 2009.

She made her WTA Tour main-draw debut at the 2009 Copa Colsanitas in the doubles event, partnering Estrella Cabeza Candela.

This biographical article relating to Spanish tennis is a stub.