Mollie O'Callaghan is a swimmer who has competed for Australia. She competed at the 2020 and 2024 Summer Olympic Games.
Olympic Results[]
| Year | Event | Result |
|---|---|---|
| 2020 | Women's 4x100m freestyle relay | 
|
| Women's 4x200m freestyle relay | 
| |
| Women's 4x100m medley relay |
| |
| 2024 | Women's 100m freestyle | 4th |
| Women's 200m freestyle |
| |
| Women's 4x100m freestyle relay |
| |
| Women's 4x200m freestyle relay |
| |
| Women's 4x100m medley relay | 
| |
| Mixed 4x100m medley relay |
|
2020[]
| Discipline | Round | Time | |
|---|---|---|---|
| 4x100 metres freestyle relay | Heats | 3:31.73 (53.08 split) |
|
| Final | 3:29.69 (Reserve) |
WR | |
| 4x200 metres freestyle relay | Heats | 7:44.61 (1:55.11 split) |
|
| Final | 7:41.29 (Reserve) |
AR | |
| 4x100 metres medley relay | Heats | 3:55.39 (52.35 split) |
|
| Final | 3:51.60 (Reserve) |
OR |
2024[]
| Discipline | Round | Time | |
|---|---|---|---|
| 100 metres freestyle | Heats | 53.27 | |
| Semifinal | 52.75 | ||
| Final | 52.34 | ||
| 200 metres freestyle | Heats | 1:55.79 | |
| Semifinal | 1:54.70 | ||
| Final | 1:53.27 | OR | |
| 4x100 metres freestyle relay | Heats | 3:31.57 (Reserve) |
|
| Final | 3:28.92 (52.24 split) |
OR | |
| 4x200 metres freestyle relay | Heats | 7:45.63 (Reserve) |
|
| Final | 7:38.08 (1:53.52 split) |
OR | |
| 4x100 metres medley relay | Heats | 3:54.81 (Reserve) |
|
| Final | 3:53.11 (51.83 split) |
||
| Mixed 4x100 metres medley relay | Heats | 3:41.42 (Reserve) |
|
| Final | 3:38.76 (52.01 split) |
AR |
 Swimming 2020 • Women's 4x100 metre freestyle relay
|
|---|
| Bronte Campbell |
| Cate Campbell |
| Meg Harris |
| Emma McKeon |
| Mollie O'Callaghan |
| Madison Wilson |
| Swimming 2020 • Women's 4x200 metre freestyle relay
|
|---|
| Tamsin Cook |
| Meg Harris |
| Emma McKeon |
| Leah Neale |
| Mollie O'Callaghan |
| Brianna Throssell |
| Ariarne Titmus |
| Madison Wilson |
| Swimming 2020 • Women's 4x100 metre medley relay
|
|---|
| Cate Campbell |
| Chelsea Hodges |
| Emma McKeon |
| Kaylee McKeown |
| Mollie O'Callaghan |
| Emily Seebohm |
| Brianna Throssell |
| Swimming 2024 • Women's 4x100 metre freestyle relay
|
|---|
| Bronte Campbell |
| Meg Harris |
| Shayna Jack |
| Mollie O'Callaghan |
| Emma McKeon |
| Olivia Wunsch |
| Swimming 2024 • Women's 4x200 metre freestyle relay
|
|---|
| Shayna Jack |
| Lani Pallister |
| Mollie O'Callaghan |
| Jamie Perkins |
| Brianna Throssell |
| Ariarne Titmus |
| Swimming 2024 • Women's 4x100 metre medley relay
|
|---|
| Iona Anderson |
| Meg Harris |
| Emma McKeon |
| Kaylee McKeown |
| Mollie O'Callaghan |
| Alexandria Perkins |
| Ella Ramsay |
| Jenna Strauch |
| Swimming 2024 • Mixed 4x100 metre medley relay
|
|---|
| Iona Anderson |
| Kyle Chalmers |
| Emma McKeon |
| Kaylee McKeown |
| Mollie O'Callaghan |
| Zac Stubblety-Cook |
| Matthew Temple |
| Joshua Yong |