Roxana Elisabeta Rotaru, née Bârcă (born 22 June 1988 in Bucharest) is a Romanian long-distance runner. She represented her country in the 5000 metres at the 2010 European Athletics Championships. She also competed at the 2011 European Athletics Indoor Championships, coming tenth in the 3000 metres. She came third at the World University Cross Country Championships in 2012 and was part of the silver medal-winning Romanian team alongside Ancuta Bobocel.