| Description: | Most popular names for male newborns in the most populous Australian state of New South Wales 2020 |
| Source: | NSW Registry of Births Deaths & Marriages |
| Series: | Australia/NSW |
| Following list: | 2021 |
| Previous list: | 2019 |
| Highest new entries: | Jake (new at 87), Axel (new at 87), Caleb (new at 91), Ryder (new at 91), Ari (new at 94) |
| Largest rises: | Spencer +30 (now at 67), Sonny +22 (now at 67), Isaiah +21 (now at 78), Charles +15 (now at 67), Jordan +15 (now at 50) |
| Largest falls: | Felix -17 (now at 97), Leon -17 (now at 87), Ashton -15 (now at 72), Dylan -13 (now at 93), Nicholas -13 (now at 79) |
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