1911 U.S. National Championships – Women's singles
# 1911 U.S. National Championships – Women's singles

Reigning champion Hazel Hotchkiss won the singles tennis title of the 1911 U.S. Women's National Singles Championship by defeating Florence Sutton 8–10, 6–1, 9–7 in the challenge round. Sutton had won the right to challenge Hotchkiss by defeating Eleonora Sears 6–2, 6–1 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, from June 12 through June 17, 1911.

## Draw

### Challenge round

| Challenge Round | Challenge Round | Challenge Round | Challenge Round | Challenge Round |
| - | - | - | - | - |
| Hazel Hotchkiss | Hazel Hotchkiss | 8 | 6 | 9 |
| Florence Sutton | Florence Sutton | 10 | 1 | 7 |

### All Comers' finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| - | - | - | - | - | - | - | - | - | - | - | - | - |
| Carrie Hardy | Carrie Hardy | 2 | 2 | | | | | | | | | |
| Eleonora Sears | Eleonora Sears | 6 | 6 | | | | | | | | | |
| Eleonora Sears | Eleonora Sears | 6 | 6 | | Eleonora Sears | Eleonora Sears | 6 | 6 | | | | |
| | | | | | Mrs. Warren | Mrs. Warren | 1 | 3 | | | | |
| Mrs. Warren | Mrs. Warren | 3 | 6 | 6 | Mrs. Warren | Mrs. Warren | 1 | 3 | | | | |
| Edith Handy | Edith Handy | 6 | 2 | 3 | | | | | | | | |
| Edith Handy | Edith Handy | 6 | 2 | 3 | | | | | Eleonora Sears | Eleonora Sears | 2 | 1 |
| | | | | | | | | | Florence Sutton | Florence Sutton | 6 | 6 |
| Florence Sutton | Florence Sutton | 6 | 6 | | | | | | | | | | Florence Sutton | Florence Sutton | 6 | 6 |
| Edna Wildey | Edna Wildey | 1 | 3 | | | | | | | | | |
| Edna Wildey | Edna Wildey | 1 | 3 | | Florence Sutton | Florence Sutton | 6 | 6 | | | | |
| | | | | | Adelaide Browning | Adelaide Browning | 3 | 2 | | | | |
| Adelaide Browning | Adelaide Browning | 6 | 3 | 6 | Adelaide Browning | Adelaide Browning | 3 | 2 | | | | |
| Marie Wagner | Marie Wagner | 3 | 6 | 2 | | | | | | | | |
