# Billboard Year-End Hot 100 singles of 2009

Billboard magazine each year releases a Top Hot 100 songs of the year, counted from the first week of November to the final week in October. For 2009, the chart was published on December 11. The 2009 list was dominated by The Black Eyed Peas and Lady Gaga, who shared the top four spots. In late December, DJ Earworm released a mashup video to YouTube titled "Blame It On The Pop", featuring the top twenty-five songs from the list, as he had also done the previous two years for his "United State of Pop" series. The video quickly received four million views in little over a week.
| No. | Title | Artist(s) |
| 1 | "Boom Boom Pow" | The Black Eyed Peas |
| 2 | "Poker Face" | Lady Gaga |
| 3 | "Just Dance" | Lady Gaga featuring Colby O'Donis |
| 4 | "I Gotta Feeling" | The Black Eyed Peas |
| 5 | "Love Story" | Taylor Swift |
| 6 | "Right Round" | Flo Rida |
| 7 | "I'm Yours" | Jason Mraz |
| 8 | "Single Ladies (Put a Ring on It)" | Beyoncé |
| 9 | "Heartless" | Kanye West |
| 10 | "Gives You Hell" | The All-American Rejects |
| 11 | "You Belong with Me" | Taylor Swift |
| 12 | "Dead and Gone" | T.I. featuring Justin Timberlake |
| 13 | "You Found Me" | The Fray |
| 14 | "Use Somebody" | Kings of Leon |
| 15 | "Knock You Down" | Keri Hilson featuring Kanye West and Ne-Yo |
| 16 | "Blame It" | Jamie Foxx featuring T-Pain |
| 17 | "I Know You Want Me (Calle Ocho)" | Pitbull |
| 18 | "Live Your Life" | T.I. featuring Rihanna |
| 19 | "Kiss Me thru the Phone" | Soulja Boy Tell 'Em featuring Sammie |
| 20 | "Down" | Jay Sean featuring Lil Wayne |
| 21 | "The Climb" | Miley Cyrus |
| 22 | "Best I Ever Had" | Drake |
| 23 | "My Life Would Suck Without You" | Kelly Clarkson |
| 24 | "Halo" | Beyoncé |
| 25 | "Hot n Cold" | Katy Perry |
| 26 | "Second Chance" | Shinedown |
| 27 | "Circus" | Britney Spears |
| 28 | "Day 'n' Nite" | Kid Cudi |
| 29 | "Party in the U.S.A." | Miley Cyrus |
| 30 | "Don't Trust Me" | 3OH!3 |
| 31 | "Run This Town" | Jay-Z featuring Rihanna and Kanye West |
| 32 | "Let It Rock" | Kevin Rudolf featuring Lil Wayne |
| 33 | "Fire Burning" | Sean Kingston |
| 34 | "Whatcha Say" | Jason Derulo |
| 35 | "LoveGame" | Lady Gaga |
| 36 | "Waking Up in Vegas" | Katy Perry |
| 37 | "Birthday Sex" | Jeremih |
| 38 | "Sober" | Pink |
| 39 | "Womanizer" | Britney Spears |
| 40 | "Whatever You Like" | T.I. |
| 41 | "Obsessed" | Mariah Carey |
| 42 | "Mad" | Ne-Yo |
| 43 | "Good Girls Go Bad" | Cobra Starship featuring Leighton Meester |
| 44 | "Love Lockdown" | Kanye West |
| 45 | "So What" | Pink |
| 46 | "Hotel Room Service" | Pitbull |
| 47 | "Crack a Bottle" | Eminem, Dr. Dre and 50 Cent |
| 48 | "If I Were a Boy" | Beyoncé |
| 49 | "Turnin Me On" | Keri Hilson featuring Lil Wayne |
| 50 | "I Hate This Part" | Pussycat Dolls |
| 51 | "Gotta Be Somebody" | Nickelback |
| 52 | "Please Don't Leave Me" | Pink |
| 53 | "Paparazzi" | Lady Gaga |
| 54 | "Beautiful" | Akon featuring Colby O'Donis and Kardinal Offishall |
| 55 | "Viva la Vida" | Coldplay |
| 56 | "Right Now (Na Na Na)" | Akon |
| 57 | "Battlefield" | Jordin Sparks |
| 58 | "Sugar" | Flo Rida featuring Wynter |
| 59 | "Miss Independent" | Ne-Yo |
| 60 | "Fireflies" | Owl City |
| 61 | "New Divide" | Linkin Park |
| 62 | "Empire State of Mind" | Jay-Z featuring Alicia Keys |
| 63 | "No Surprise" | Daughtry |
| 64 | "She Wolf" | Shakira |
| 65 | "Break Up" | Mario featuring Gucci Mane and Sean Garrett |
| 66 | "Sweet Dreams" | Beyoncé |
| 67 | "Every Girl" | Young Money |
| 68 | "Fallin' for You" | Colbie Caillat |
| 69 | "Untouched" | The Veronicas |
| 70 | "If Today Was Your Last Day" | Nickelback |
| 71 | "Throw It in the Bag" | Fabolous featuring The-Dream |
| 72 | "Love Drunk" | Boys Like Girls |
| 73 | "I Love College" | Asher Roth |
| 74 | "If U Seek Amy" | Britney Spears |
| 75 | "Big Green Tractor" | Jason Aldean |
| 76 | "White Horse" | Taylor Swift |
| 77 | "Disturbia" | Rihanna |
| 78 | "21 Guns" | Green Day |
| 79 | "Turn My Swag On" | Soulja Boy Tell 'Em |
| 80 | "Rockin' That Thang" | The-Dream |
| 81 | "Chicken Fried" | Zac Brown Band |
| 82 | "Diva" | Beyoncé |
| 83 | "Replay" | Iyaz |
| 84 | "Then" | Brad Paisley |
| 85 | "Her Diamonds" | Rob Thomas |
| 86 | "How Do You Sleep?" | Jesse McCartney featuring Ludacris |
| 87 | "3" | Britney Spears |
| 88 | "Forever" | Drake featuring Kanye West, Lil Wayne and Eminem |
| 89 | "One Time" | Justin Bieber |
| 90 | "I Run to You" | Lady Antebellum |
| 91 | "I Do Not Hook Up" | Kelly Clarkson |
| 92 | "Green Light" | John Legend featuring André 3000 |
| 93 | "People Are Crazy" | Billy Currington |
| 94 | "Whatever It Is" | Zac Brown Band |
| 95 | "Already Gone" | Kelly Clarkson |
| 96 | "Goodbye" | Kristinia DeBarge |
| 97 | "Say Hey (I Love You)" | Michael Franti & Spearhead featuring Cherine Anderson |
| 98 | "Pop Champagne" | Jim Jones featuring Ron Browz and Juelz Santana |
| 99 | "Pretty Wings" | Maxwell |
| 100 | "Never Say Never" | The Fray |