Rosa Bielsa-Hierro (born 9 January 1966) is a Spanish former professional tennis player.

Bielsa competed in two Federation Cup ties for Spain, both in the 1985 edition, as the doubles partner of Ana Almansa.

The pair won the deciding doubles rubber against Hong Kong, to advance to a second round fixture against Australia, which they and their teammates lost 0–3.

At the 1989 French Open she lost in the qualifying draw for the singles but featured in the main draw of the women's doubles, with Soviet player Eugenia Maniokova.

In 1996 she was a member of the Spanish women's team which finished runner-up in the Padel Tennis World Championship.