The following is a list of the thirty best songs released as a single during 2009, determined by criteria both objective (chart placement, sales) and subjective (artistic integrity).

1. “I Gotta Feeling” by The Black Eyed Peas

2. “I’m on a Boat” by The Lonely Island, featuring T-Pain

3. “My Life Would Suck Without You” by Kelly Clarkson

4. “Don’t Stop Believing” by The Cast of Glee

5. “Haven't Met You Yet" by Michael Bublé

6. “Boom Boom Pow” by The Black Eyed Peas

7. “Dead and Gone” by T.I., featuring Justin Timberlake

8. “Fireflies” by Owl City

9. “Empire State of Mind” by Jay-Z, featuring Alicia Keys

10. “Gives You Hell” by The All-American Rejects

11. “This Is It” by Michael Jackson

12. “I Dreamed a Dream” by Susan Boyle

13. “Obsessed” by Mariah Carey

14. “Party in the U.S.A.” by Miley Cyrus

15. “Don’t Trust Me" by 3OH!3

16. “Heartless” by Kris Allen

17. “Run This Town” by Jay-Z, featuring Rihanna & Kanye West

18. “I Do Not Hook Up” by Kelly Clarkson

19. “We Made You” by Eminem

20. “Since the World Began” by Amy Grant, Ed Cash, Mac Powell & Matt Maher

21. “I Want to Know What Love Is” by Mariah Carey

22. “Works for Me” by David Archuleta

23. “I’ve Got Friends” by Manchester Orchestra

24. “How Do You Sleep?” by Jesse McCartney, featuring Ludacris

25. “Lucky” by Jason Mraz & Colbie Caillat

26. “Full Steam” by David Gray, featuring Annie Lennox

27. “Whatever You Like” by “Weird Al” Yankovic

28. “The Climb” by Miley Cyrus

29. “Unafraid” by Amy Grant

30. “Backfire” by Mute Math