1978 Virginia Slims of Chicago

The 1978 Virginia Slims of Chicago was a women's tennis tournament played on indoor carpet courts at the International Amphitheatre  in Chicago, Illinois in the United States that was part of the 1978 Virginia Slims World Championship Series. It was the seventh edition of the tournament and was held from January 30 through February 5, 1978. First-seeded Martina Navratilova won the singles title and earned $20,000 first-prize money.

Singles
🇺🇸 Martina Navratilova defeated 🇦🇺 Evonne Goolagong Cawley 6–7(4–5), 6–2, 6–2
 * It was Navratilova's 4th singles title of the year and the 17th of her career.

Doubles
Betty Stöve / 🇦🇺 Evonne Goolagong Cawley defeated 🇺🇸 Rosie Casals / 🇺🇸 JoAnne Russell 6–1, 6–4