The 1973 Virginia Slims of Chicago was a women's tennis tournament played on indoor carpet courts at the Lake Shore Racquet Club in Chicago, Illinois in the United States that was part of the 1973 Virginia Slims World Championship Series. It was the second edition of the tournament and was held from March 8 through March 11, 1973.[1] First-seeded Margaret Court won the singles title and earned $6,500 first-prize money.[2]