The following lists the top 25 singles of 2009 in Australia from the Australian Recording Industry Association (ARIA) End of Year singles chart.
"I Gotta Feeling" by The Black Eyed Peas was the biggest song of the year, peaking at #1 for 7 weeks and staying in the Top 50 (so far) for 30 weeks. The longest stay at #1 was "TiK ToK" by Kesha which spent 8 weeks at #1.
| Title | Artist | Highest pos. reached | weeks at No. 1 | |
|---|---|---|---|---|
| 1. | "I Gotta Feeling" | 1 | 7 | |
| 2. | "Sexy Bitch" | 1 | 7 | |
| 3. | "Love Story" | 1 | 2 | |
| 4. | "Boom Boom Pow" | 1 | 6 | |
| 5. | "Right Round" | 1 | 7 | |
| 6. | "Like It Like That" | 1 | 2 | |
| 7. | "Halo" | 3 | ||
| 8. | "Meet Me Halfway" | 1 | 1 | |
| 9. | "TiK ToK" | 1 | 8 | |
| 10. | "The Last Day on Earth" | 3 | ||
| 11. | "Poker Face" | 1 | 8 | |
| 12. | "Paparazzi" | 2 | ||
| 13. | "You Found Me" | 1 | 4 | |
| 14. | "Single Ladies (Put a Ring on It)" | 5 | ||
| 15. | "Jai Ho! (You Are My Destiny)" | 1 | 2 | |
| 16. | "The Climb" | 5 | ||
| 17. | "You Belong with Me" | 5 | ||
| 18. | "Evacuate the Dancefloor" | 3 | ||
| 19. | "Gives You Hell" | 3 | ||
| 20. | "Not Fair" | 3 | ||
| 21. | "I Know You Want Me (Calle Ocho)" | 6 | ||
| 22. | "The Fear" | 3 | ||
| 23. | "Sweet Dreams" | 2 | ||
| 24. | "Breakeven" | 3 | ||
| 25. | "Good Girls Go Bad" | 5 |