| Season: | 2009–10 |
| Dates: | 11 September 2009 – 20 March 2010 |
| Competition: | A-League National Youth League |
| Matches: | 111 |
| League Topscorer: | Chris Harold (16)[1] |
| Biggest Away Win: | Newcastle Jets Youth 0–6 Central Coast Mariners Youth (23 October 2009) |
| Highest Scoring: | Adelaide United Youth 4–4 Australian Institute of Sport (14 November 2009) Adelaide United Youth 4–4 Brisbane Roar Youth (6 February 2010) |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
The 2009–10 A-League National Youth League season was the second season of the Australian A-League National Youth League soccer competition. Like the previous season, the season ran alongside the 2009–10 A-League season.
| Team | Location | Stadium | Stadium capacity | |
|---|---|---|---|---|
| Adelaide United Youth | Adelaide | Hindmarsh Stadium | 16,500 | |
| A.I.S. Football Program | Canberra | Australian Institute of Sport | Unknown | |
| Brisbane Roar Youth | Brisbane | Goodwin Park | 1,500 | |
| Central Coast Mariners Youth | Gosford | Pluim Park | 2,200 | |
| Melbourne Victory Youth | Melbourne | Veneto Club | Unknown | |
| Newcastle Jets Youth | Newcastle | Energy Australia Stadium | 33,000 | |
| Perth Glory Youth | Perth | Members Equity Stadium | 20,500 | |
| Sydney Youth | Sydney | Sydney Football Stadium | 45,500 |
The 2009–10 A-League National Youth League season was played over 27 rounds, followed by a finals series.[2]
| Rank | Scorer | Club | Goals | |
|---|---|---|---|---|
| 1 |  Francesco Monterosso | Adelaide United Youth | 17 | |
| 2 | Chris Harold | Gold Coast United Youth | 14 | |
| 3 | Kerem Bulut | Sydney Youth | 13 | |
| 4 | Panni Nikas | Central Coast Mariners Youth | 12 | |
| 5 | Andrew Barisić | Gold Coast United Youth | 11 | |
| 6 | Nathan Elasi | Melbourne Victory Youth | 10 | |
| 7 | Eli Babalj | Australian Institute of Sport | 9 | |
| Tim Smits | Brisbane Roar Youth | |||
| 8 | Kamal Ibrahim | Australian Institute of Sport | 8 |