| Description: | Most popular names for male newborns in the most populous Australian state of New South Wales 2005 | 
| Source: | NSW Registry of Births Deaths & Marriages | 
| Series: | Australia/NSW | 
| Following list: | 2006 | 
| Previous list: | 2004 | 
| Highest new entries: | Sebestian (new at 55),  Mason (new at 74),  Jett (new at 82),  Luca (new at 83),  Finn (new at 86) | 
| Largest rises: | Timothy +24 (now at 75),  Brayden +21 (now at 60),  Toby +21 (now at 66),  Dominic +21 (now at 63),  Xavier +19 (now at 72) | 
| Largest falls: | Hamish -26 (now at 95),  Brandon -24 (now at 92),  Jeremy -20 (now at 100),  David -19 (now at 81),  Aaron -13 (now at 61) |