| Description: | Most popular names for male newborns in the most populous Australian state of New South Wales 2003 |
| Source: | NSW Registry of Births Deaths & Marriages |
| Series: | Australia/NSW |
| Following list: | 2004 |
| Previous list: | 2002 |
| Highest new entries: | Zac (new at 61), Ali (new at 65), Kai (new at 68), Brodie (new at 69), Toby (new at 73) |
| Largest rises: | Max +52 (now at 24), Hamish +28 (now at 58), Charlie +27 (now at 54), Elijah +23 (now at 77), Justin +22 (now at 48) |
| Largest falls: | Caleb -49 (now at 99), Aaron -47 (now at 94), Aidan -38 (now at 91), Tyler -28 (now at 79), Isaac -26 (now at 74) |
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