List of Gaon Album Chart number ones of 2013
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 album sales by major distributors such as LOEN Entertainment, KT Music, Sony Music Korea, Warner Music Korea, Universal Music and Mnet Media.
Overall, EXO's XOXO Repackage (Korean Version) was Gaon's best selling album of 2013, selling 335,823 copies.
Weekly charts
Monthly charts
| Month | Album | Artist | Sales |
| I Got a Boy | Girls' Generation | 265,322 | |
| Chapter 1. Dream Girl – The Misconceptions of You | Shinee | 137,444 | |
| New Challenge | Infinite | 138,431 | |
| Chapter 2. Why So Serious? – The Misconceptions of Me | Shinee | 106,404 | |
| Hello | Cho Yong-pil | 167,323 | |
| XOXO (Korean Version) | Exo | 206,812 | |
| Destiny | Infinite | 158,462 | |
| XOXO Repackage (Korean Version) | Exo | 186,281 | |
| Coup d'Etat | G-Dragon | 198,489 | |
| Everybody | Shinee | 122,284 | |
| Voodoo | VIXX | 43,070 | |
| Miracles in December (Korean Version) | Exo | 262,825 |