| Description: | Most popular names for male newborns in the most populous Australian state of New South Wales 2018 |
| Source: | NSW Registry of Births Deaths & Marriages |
| Series: | Australia/NSW |
| Following list: | 2019 |
| Previous list: | 2017 |
| Highest new entries: | Spencer (new at 78), Nathan (new at 83), Sonny (new at 83), Asher (new at 90), David (new at 97) |
| Largest rises: | Phoenix +19 (now at 81), Muhammad +18 (now at 44), Carter +16 (now at 60), Louis +16 (now at 55), Arthur +15 (now at 73) |
| Largest falls: | Hamish -22 (now at 95), Tyler -21 (now at 79), Jayden -16 (now at 54), Riley -16 (now at 61), Harvey -15 (now at 42) |
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