| Competition: | National Youth League |
| Season: | 2008–09 |
| Winners: | Sydney FC (1st title) |
| Matches: | 41 |
| Total Goals: | 199 |
| League Topscorer: | Francesco Monterosso (13 goals) |
| Biggest Home Win: | Adelaide United 5–0 Newcastle Jets (9 January 2009) |
| Biggest Away Win: | Newcastle Jets 1–7 Sydney FC (7 February 2009) |
| Highest Scoring: | Perth Glory 3–5 Sydney FC (19 October 2008) Newcastle Jets 1–7 Sydney FC (7 February 2009) |
| Longest Wins: | 8 matches Sydney FC |
| Longest Unbeaten: | 8 matches Sydney FC |
| Longest Winless: | 9 matches Newcastle Jets |
| Longest Losses: | 9 matches Newcastle Jets |
| Nextseason: | 2009–10 |
The 2008–09 National Youth League was the first season of the National Youth League, the top Australian youth soccer league.
Note: Table lists in alphabetical order.
| Rank | Player | Club | Goals[1] |
|---|---|---|---|
| 1 |  Francesco Monterosso | Adelaide United U21s | 13 |
| 2 | Chris Grossman | Queensland Roar U21s | 11 |
| 3 | Nathan Elasi | Melbourne Victory U21s | 10 |
| 4 | Sean Rooney | Sydney FC U21s | 9 |
| 5 | Andrija Jukic | Perth Glory U21s | 6 |
| Tim Smits | Queensland Roar U21s |
| Player | For | Against | Result | Date | |
|---|---|---|---|---|---|
| | Sydney FC U21s | Perth Glory U21s | 5–3 (A)[2] | ||
| | Perth Glory U21s | Sydney FC U21s | 3–5 (H) | ||
| | Queensland Roar U21s | Perth Glory U21s | 5–1 (H)[3] | ||
| | Melbourne Victory U21s | Sydney FC U21s | 3–1 (H)[4] |