# List of Gaon Album Chart number ones of 2018

The Gaon Album Chart is a South Korean record chart that ranks the best-selling albums and EPs in South Korea. It is 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/monthly physical album sales by major South Korean distributors such as LOEN Entertainment, Genie Music, Sony Music Korea, Warner Music Korea, Universal Music and Mnet Media.

## Weekly charts

| Week ending date | Album | Artist |
| January 6 | Love Yourself 承 'Her' | BTS |
| January 13 | Top Seed | Infinite |
| January 20 | True Colors | JBJ |
| January 27 | Poet | Artist | Jonghyun |
| February 3 | The Perfect Red Velvet | Red Velvet |
| February 10 | Director's Cut | Seventeen |
| February 17 | 1X1=1 (To Be One) | Wanna One |
| February 24 | 白 | Yang Yo-seob |
| March 3 | 10 Stories | Kim Sung-kyu |
| March 10 | Yellow Flower | Mamamoo |
| March 17 | Eyes on You | Got7 |
| March 24 | 0+1=1 (I Promise You) | Wanna One |
| March 31 | New Chapter #1: The Chance of Love | TVXQ |
| April 7 | Everyday | Winner |
| April 14 | Blooming Days | Exo-CBX |
| April 21 | Eau de VIXX | VIXX |
| April 28 | Be Myself | Hwang Chi-yeul |
| May 5 | Time for the Moon Night | GFriend |
| May 12 | Seoul Night | Teen Top |
| May 19 | Love Yourself 轉 'Tear' | BTS |
| May 26 | Love Yourself 轉 'Tear' | BTS |
| June 2 | The Story of Light EP.1 | Shinee |
| June 9 | 1÷x=1 (Undivided) | Wanna One |
| June 16 | The Story of Light EP.2 | Shinee |
| June 23 | Square Up | Blackpink |
| June 30 | Who, You | NU'EST W |
| July 7 | One & Six | Apink |
| July 14 | Summer Nights | Twice |
| July 21 | You Make My Day | Seventeen |
| July 28 | The Great Seungri | Seungri |
| August 4 | You Make My Day | Seventeen |
| August 11 | Summer Magic | Red Velvet |
| August 18 | 'Bout You | Super Junior-D&E |
| August 25 | Love Yourself 結 'Answer' | BTS |
| September 1 | Love Yourself 結 'Answer' | BTS |
| September 8 | We Go Up | NCT Dream |
| September 15 | The Story of Light: Epilogue | Shinee |
| September 22 | Present: You | Got7 |
| September 29 | Present: You | Got7 |
| October 6 | New Kids: The Final | iKon |
| October 13 | Regular-Irregular | NCT 127 |
| October 20 | Regular-Irregular | NCT 127 |
| October 27 | Take.1 Are You There? | Monsta X |
| November 3 | Don't Mess Up My Tempo | Exo |
| November 10 | Yes or Yes | Twice |
| November 17 | Hour Moment | BtoB |
| November 24 | 1¹¹=1 (Power of Destiny) | Wanna One |
| December 1 | Wake,N | NU'EST W |
| December 8 | Present: You & Me | Got7 |
| December 15 | Love Shot | Exo |
| December 22 | Poet | Artist | Jonghyun |
| December 29 | Don't Mess Up My Tempo | Exo |

## Monthly charts

| Month | Album | Artist | Sales |
| January | Poet | Artist | Jonghyun | 151,224 |
| February | Director's Cut | Seventeen | 176,291 |
| March | 0+1=1 (I Promise You) | Wanna One | 829,275 |
| April | Blooming Days | Exo-CBX | 352,575 |
| May | Love Yourself 轉 'Tear' | BTS | 1,664,041 |
| June | 1÷x=1 (Undivided) | Wanna One | 639,955 |
| July | You Make My Day | Seventeen | 351,928 |
| August | Love Yourself 結 'Answer' | BTS | 1,933,450 |
| September | Present: You | Got7 | 301,916 |
| October | Regular-Irregular | NCT 127 | 273,075 |
| November | Don't Mess Up My Tempo | Exo | 1,195,334 |
| December | Love Shot | Exo | 499,849 |