1973 U.S. Women's Indoor Championships

The 1973 U.S. Women's Indoor Championships, also known as the USLTA National Indoors, was a women's tennis tournament played on indoor carpet courts at the Old Colony Tennis Club in Hingham, Massachusetts in the United States that was part of the Group C tier of the Grand Prix circuit which was incorporated into the 1973 WTA Tour. It was the 65th edition of the tournament and was held from March 14 through March 18, 1973. Second-seeded Evonne Goolagong won the singles title and collected $5,000 first-prize money.

Singles
🇦🇺 Evonne Goolagong defeated 🇬🇧 Virginia Wade 6–0, 6–2
 * It was Goolagong's 2nd singles title of the year and the 43rd of her career.

Doubles
Marina Kroschina / Olga Morozova defeated 🇦🇺 Evonne Goolagong / 🇦🇺 Janet Young 6–2, 6–4