List of Gaon Album Chart number ones of 2014
The Gaon Album Chart is a 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 for the chart is compiled by the Ministry of Culture, Sports and Tourism and the Korean Music Content Industry Association based on weekly and monthly physical albums and digital sales by six major distributors: LOEN Entertainment, S.M. Entertainment, Sony Music Korea, Warner Music Korea, Universal Music and Mnet Media.
Overall, EXO-K's Overdose album was Gaon Album Chart best selling album of 2014, selling 385,047 copies. EXO sold South Korea best-selling album of 2014 with both standard Overdose and its reissue Overdose album selling a total of 657,765 units overall. The group won Artist of The Year and Album of The Year at 2014 Mnet Asian Music Awards, Album of The Year at 4th Gaon Chart Music Awards, Disk Daesang and Disk Bonsang at 29th Golden Disc Awards.
Weekly charts
| Week | Album | Artist | |
| Musical December 2013 with Kim Junsu | XIA | ||
| Rain Effect | Rain | ||
| Tense | TVXQ | ||
| Who Am I | B1A4 | ||
| WWW | Jaejoong | ||
| Who Am I | B1A4 | ||
| First Sensibility | B.A.P | ||
| SM the Ballad Vol. 2 – Breathe | SM the Ballad | ||
| Beep Beep | BtoB | ||
| Mr.Mr. | Girls' Generation | ||
| Mr.Mr. | Girls' Generation | ||
| :ko:투하트 |1st Mini Album | Toheart | ||
| Can't Stop | CNBlue | ||
| Broken | MBLAQ | ||
| Swing | Super Junior-M | ||
| Play | Akdong Musician | ||
| :ko:블락비|Jackpot | Block B | ||
| Skool Luv Affair | BTS | ||
| XOXO Repackage | EXO | ||
| Overdose | EXO-K | ||
| Skool Luv Affair | BTS | ||
| Season 2 | Infinite | ||
| Eternity | VIXX | ||
| Season 2 | Infinite | ||
| Rise | Taeyang | ||
| Good Luck | Beast | ||
| Got Love | Got7 | ||
| Good Luck | Beast | ||
| Red Light | f | ||
| Solo Day | B1A4 | ||
| Be Back | Infinite | ||
| Just Us | JYJ | ||
| Just Us | JYJ | ||
| 2014 S/S | Winner | ||
| Ace | Taemin | ||
| Ace | Taemin | ||
| Mamacita | Super Junior | ||
| Mamacita | Super Junior | ||
| Holler | Girls' Generation-TTS | ||
| Éxito | Teen Top | ||
| Move | BtoB | ||
| :ko:FTISLAND JAPAN BEST `ALL ABOUT`|Japan Best 'All About' | F.T. Island | ||
| Error | VIXX | ||
| Time | Beast | ||
| This Is Love | Super Junior | ||
| This Is Love | Super Junior | ||
| At Gwanghwamun | Kyuhyun | ||
| Identify | Got7 | ||
| Pink Luv | Apink | ||
| :zh:青 |Azure | Infinite F | ||
| Good Boy | G-Dragon and Taeyang | ||
| Error | VIXX |
Monthly charts
| Month | Album | Artist | Sales |
| Tense | TVXQ | 194,198 | |
| First Sensibility | B.A.P | 91,053 | |
| Mr.Mr. | Girls' Generation | 70,295 | |
| The Origin | Infinite | 29,950 | |
| Overdose | EXO-K | 390,034 | |
| Good Luck | Beast | 88,800 | |
| Just Us | JYJ | 126,115 | |
| Ace | Taemin | 70,632 | |
| Mamacita | Super Junior | 237,646 | |
| This Is Love | Super Junior | 114,216 | |
| At Gwanghwamun | Kyuhyun | 56,481 | |
| EXO | 78,946 |