The 1984 Santista Textile Open was a women's tennis tournament played on outdoor hard courts in Rio de Janeiro, Brazil that was part of the 1984 Virginia Slims World Championship Series. The tournament was held from 9 July through 15 July 1984. Second-seeded Sandra Cecchini won the singles title.
Sandra Cecchini defeated Adriana Villagrán-Reami 6–3, 6–3
Jill Hetherington / Hélène Pelletier defeated Penny Barg-Mager / Kyle Copeland 6–3, 2–6, 7–6