# 1948 Australian Championships – Women's singles

First-seeded Nancye Bolton defeated Marie Toomey 6–3, 6–1 in the final to win the women's singles tennis title at the 1948 Australian Championships.

## Seeds

The seeded players are listed below. Nancye Bolton is the champion; others show the round in which they were eliminated.
* Nancye Bolton (champion)
* Thelma Long (second round)
* Mary Bevis (semifinals)
* Marie Toomey (finalist)
* Pat Jones (second round)
* Nell Hopman (quarterfinals)
* Sadie Newcombe (second round)
* Dulcie Whittaker (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* r = Retired

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| 1 | Nancye Bolton | 6 | 6 | | | | | | | | | |
| | Joan Tuckfield | 2 | 0 | | | | | | | | | |
| | Joan Tuckfield | 2 | 0 | 1 | Nancye Bolton | 6 | 6 | | | | | |
| | | | | 3 | Mary Beavis | 3 | 4 | | | | | |
| 3 | Mary Beavis | 7 | 6 | 3 | Mary Beavis | 3 | 4 | | | | | |
| 6 | Nell Hopman | 5 | 4 | | | | | | | | | |
| 6 | Nell Hopman | 5 | 4 | | | | | | 1 | Nancye Bolton | 6 | 6 |
| | | | | | | | | | 4 | Marie Toomey | 3 | 1 |
| | Dorothy Jenkins | 6 | 3 | | | | | | | | | | 4 | Marie Toomey | 3 | 1 |
| 4 | Marie Toomey | 8 | 6 | | | | | | | | | |
| 4 | Marie Toomey | 8 | 6 | 4 | Marie Toomey | 4 | 7 | 6 | | | | |
| | | | | | Esme Ashford | 6 | 5 | 4 | | | | |
| | Esme Ashford | 6 | 6 | | Esme Ashford | 6 | 5 | 4 | | | | |
| | Clare Proctor | 1 | 0 | | | | | | | | | |

### Earlier rounds
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | Bolton | 6 | 6 | | | | | | | | |
| | | | | | | Earle | 1 | 0 | | | | | | | | |
| | | | | | | | | | 1 | Bolton | 6 | 6 | | | | |
| | Martin | | | | | | | | | Tuckfield | 2 | 0 | | | | |
| 8 | Whittaker | w/o | | | | Martin | 5 | 3 | | | | | | | | |
| | Tuckfield | 3 | 9 | 6 | | Tuckfield | 7 | 6 | | | | | | | | |
| | Thiele | 6 | 7 | 4 | | | | | | | | | 1 | Bolton | 6 | 6 |
| 3 | Beavis | 6 | 6 | | | | | | | | | | 3 | Beavis | 3 | 4 |
| | Murphy | 2 | 2 | | 3 | Beavis | 6 | 6 | | | | | | | | |
| | McDermott | 6 | 6 | | | McDermott | 2 | 4 | | | | | | | | |
| | Linehan | 0 | 0 | | | | | | 3 | Beavis | 7 | 6 | | | | |
| 6 | Hopman | 6 | 6 | | | | | | 6 | Hopman | 5 | 4 | | | | |
| | Schultz | 0 | 0 | | 6 | Hopman | 6 | 6 | | | | | | | | |
| | Baker | 6 | 8 | | | Baker | 1 | 3 | | | | | | | | |
| | Taylor | 4 | 6 | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | Jenkins | 6 | 6 | | | | | | | | | | | | | | | |
| | Radford | 3 | 0 | | | Jenkins | 3 | 6 | 6 | | | | | | | | | |
| 5 | Jones | 6 | 6 | | 5 | Jones | 6 | 3 | 4 | | | | | | | | | |
| | Jackson | 0 | 2 | | | | | | | | Jenkins | 8 | 6 | | | | | |
| | Moran | 6 | 6 | | | | | | | 4 | Toomey | 6 | 3 | | | | | |
| | Longton | 2 | 1 | | | Moran | w/o | | | | | | | | | | | |
| 4 | Toomey | 6 | 6 | | 4 | Toomey | | | | | | | | | | | | |
| | Griffiths | 0 | 0 | | | | | | | | | | | 4 | Toomey | 4 | 7 | 6 |
| | Ashford | 6 | 4 | 6 | | | | | | | | | | | Ashford | 6 | 5 | 4 |
| | Chamberlin | 2 | 6 | 2 | | Ashford | 6 | 4 | 7 | | | | | | | | | |
| 7 | Newcombe | 6 | 6 | | 7 | Newcombe | 0 | 6 | 5 | | | | | | | | | |
| | Johnston | 1 | 0 | | | | | | | | Ashford | 6 | 6 | | | | | |
| | | | | | | | | | | | Proctor | 1 | 0 | | | | | |
| | | | | | | Proctor | | | | | | | | | | | | |
| | | | | | 2 | Long | w/o | | | | | | | | | | | |