# List of Gaon Album Chart number ones of 2011

The Gaon Album Chart was a South Korean record chart that ranked the best-selling albums and EPs in South Korea. It was part of the Gaon Music Chart, which launched in February 2010. The data are compiled by the Ministry of Culture, Sports and Tourism and the Korea Music Content Industry Association based upon weekly and monthly physical album sales by major South Korean distributors such as LOEN Entertainment, KT Music, Sony Music Korea, Warner Music Korea, Universal Music and Mnet Media.
In 2011, there were 44 albums which reached number one on the weekly chart. Girls' Generation, Big Bang, and JYJ topped the chart with three different albums each, more than any other act. CNBLUE, Kim Hyun-joong, and Super Junior each had two number one albums on the chart. The longest chart run on the weekly chart at number one was Girls' Generation's The Boys and Super Junior's Mr. Simple; both spent four weeks at the top of the chart. On the monthly chart, TVXQ and Big Bang had the most album number-ones, with two each. Girls' Generation's The Boys topped the monthly chart for three consecutive months from October to December.
Overall, Girls' Generation's The Boys was Gaon's best-selling album of 2011, selling 385,348 copies.

## Weekly charts

Key :
| † | Indicates South Korean best-selling album of 2011 |
| Week | Album | Artist |
| December 25, 2010 | GD & TOP | GD & TOP |
| January 1 | The 1st Asia Tour Concert Into the New World | Girls' Generation |
| January 8 | Keep Your Head Down | TVXQ |
| January 15 | Keep Your Head Down | TVXQ |
| January 22 | VVIP | Seungri |
| January 29 | Secret Garden OST | Various artists |
| February 5 | Only One | U-KISS |
| February 12 | Kolleen Selects | Various artists |
| February 19 | The Beginning (Worldwide Concert In Seoul Edition) | JYJ |
| February 26 | Kolleen Selects | Various artists |
| March 5 | Tonight | Big Bang |
| March 12 | My Girl | Kim Hyung-jun |
| March 19 | Before U Go | TVXQ |
| March 26 | First Step | CNBLUE |
| April 2 | First Step | CNBLUE |
| April 9 | Big Bang Special Edition | Big Bang |
| April 16 | Big Bang Special Edition | Big Bang |
| April 23 | Pinocchio | f(x) |
| April 30 | First Step ＋ Thank You | CNBLUE |
| May 7 | Feel Brand New | Eru |
| May 14 | Let It Go | Heo Young-saeng |
| May 21 | Mr. Taxi / Run Devil Run | Girls' Generation |
| May 28 | Return | F.T. Island |
| June 4 | Fiction and Fact | Beast |
| June 11 | Break Down | Kim Hyun-joong |
| June 18 | 2011 Big Bang Live Concert 'BIG SHOW' | Big Bang |
| June 25 | Hands Up | 2PM |
| July 2 | Infinity Challenge West Coast Highway | Various artists |
| July 9 | Miss Ripley OST | Various artists |
| July 16 | Mona Lisa | MBLAQ |
| July 23 | Infinity Challenge West Coast Highway | Various artists |
| July 30 | 2NE1 2nd Mini Album | 2NE1 |
| August 6 | Mr. Simple | Super Junior |
| August 13 | Mr. Simple | Super Junior |
| August 20 | I Am Singer 1 | Various artists |
| August 27 | Mr. Simple | Super Junior |
| September 3 | Mr. Simple | Super Junior |
| September 10 | STEP | Kara |
| September 17 | Vol. 7 The First | Sung Si-kyung |
| September 24 | A-Cha | Super Junior |
| October 1 | Paradise | Infinite |
| October 8 | In Heaven | JYJ |
| October 15 | Lucky | Kim Hyun-joong |
| October 22 | The Boys† | Girls' Generation |
| October 29 | The Boys† | Girls' Generation |
| November 5 | The Boys† | Girls' Generation |
| November 12 | Wonder World | Wonder Girls |
| November 19 | KimdongrYULE | Kim Dong-ryool |
| November 26 | In Heaven (Special Edition) | JYJ |
| December 3 | Last Fantasy | IU |
| December 10 | The Boys † | Girls' Generation |
| December 17 | 2011 Winter SMTown – The Warmest Gift | SM Town |
| December 24 | You're Beautiful OST | Jang Keun-suk |

## Monthly charts

Key :
| † | Indicates South Korean best-selling album of 2011 |
| Month | Album | Artist | Sales |
| January | Keep Your Head Down | TVXQ | 230,227 |
| February | Tonight | Big Bang | 109,770 |
| March | Before U Go | TVXQ | 51,354 |
| April | Big Bang Special Edition | Big Bang | 72,139 |
| May | Fiction and Fact | Beast | 90,000 |
| June | Break Down | Kim Hyun-joong | 100,433 |
| July | 2NE1 2nd Mini Album | 2NE1 | 54,900 |
| August | Mr. Simple | Super Junior | 287,427 |
| September | In Heaven | JYJ | 136,500 |
| October | The Boys † | Girls' Generation | 227,994 |
| November | The Boys † | Girls' Generation | 65,048 |
| December | The Boys † | Girls' Generation | 92,306 |