1913 U.S. National Championships – Women's singles

Reigning champion Mary Browne won the singles tennis title of the 1913 U.S. Women's National Singles Championship by defeating Dorothy Green 6–2, 7–5 in the challenge round. Green had won the right to challenge Browne by defeating Edna Wildey 6–3, 6–4 in the final of the All Comers' competition. The event was played on outdoor grass courts and held at the Philadelphia Cricket Club in Wissahickon Heights, Chestnut Hill, Philadelphia in the United States, from June 9 through June 14, 1913.