The 1978 Italian Open was a combined men's and women's tennis tournament that was played by men on outdoor clay courts at the Foro Italico in Rome, Italy. The men's tournament was part of the 1978 Colgate-Palmolive Grand Prix while the women's tournament was part of the Colgate International Series (Category A). It was the 35th edition of the tournament and was held from 22 May through 28 May 1978. The singles titles were won by first-seeded Björn Borg, who won his second Italian Open title after 1974, and third-seeded Regina Marà ¡ÃÂková.
Björn Borg defeated Adriano Panatta 1âÂÂ6, 6âÂÂ3, 6âÂÂ1, 4âÂÂ6, 6âÂÂ3
Regina Marà ¡ÃÂková defeated Virginia Ruzici 7âÂÂ5, 7âÂÂ5
VÃÂctor Pecci / Belus Prajoux defeated Jan Kodeà ¡ / TomÃ¡à ¡ à  mÃÂd 6âÂÂ7, 7âÂÂ6, 6âÂÂ1
Mima Jauà ¡ovec / Virginia Ruzici defeated FlorenÃÂa Mihai / Betsy Nagelsen 6âÂÂ2, 2âÂÂ6, 7âÂÂ6
<small>Source: World of Tennis 1979</small>