Highest score in an inning for Australia in T20Is
| Player | Runs | Balls | 4s | 6s | Team | Opposition | Ground | Match Date |
|---|---|---|---|---|---|---|---|---|
| AJ Finch | 172 | 76 | 16 | 10 | Australia | v Zimbabwe | Harare | 03-Jul-18 |
| AJ Finch | 156 | 63 | 11 | 14 | Australia | v England | Southampton | 29-Aug-13 |
| GJ Maxwell | 145* | 65 | 14 | 9 | Australia | v Sri Lanka | Pallekele | 06-Sep-16 |
| SR Watson | 124* | 71 | 10 | 6 | Australia | v India | Sydney | 31-Jan-16 |
| GJ Maxwell | 120* | 55 | 12 | 8 | Australia | v West Indies | Adelaide | 11-Feb-24 |
| GJ Maxwell | 113* | 55 | 7 | 9 | Australia | v India | Bengaluru | 27-Feb-19 |
| JP Inglis | 110 | 50 | 11 | 8 | Australia | v India | Visakhapatnam | 23-Nov-23 |
| GJ Maxwell | 104* | 48 | 8 | 8 | Australia | v India | Guwahati | 28-Nov-23 |
| GJ Maxwell | 103* | 58 | 10 | 4 | Australia | v England | Hobart | 07-Feb-18 |