List of number-one hits of 2012 (South Korea) Monthly charts Montly charts

| Month_ | Song | Artist | Aggregate_points | Total_Downloads | Year_end_Chart_ |
|---|---|---|---|---|---|
| January | Lovey-Dovey | T-ara | 142691767 | 1903727 | 7 |
| February | Blue | Big Bang | 102380663 | 1351429 | 10 |
| March | Fantastic Baby | Big Bang | 105296671 | 1229518 | 5 |
| April | Cherry Blossom Ending | Busker Busker | 169546447 | 1570146 | 2 |
| May | Twinkle | Girls` Generation-TTS | 119415981 | 997122 | 11 |
| June | Like This | Wonder Girls | 138592996 | 1444339 | 18 |
| July | I Love You | 2NE1 | 151627608 | 1522263 | 6 |
| August | Gangnam Style | PSY | 150855485 | 1280050 | 1 |
| September | All For You | Jung Eunji & Seo In Guk | 113858049 | 1037911 | 8 |
| October | Bloom | Gain | 115479048 | 1182829 | 42 |
| November | 1, 2, 3, 4 | Lee Hi | 132391547 | 1210297 | 23 |
| December | Return | Lee Seung gi | 110364099 | 896196 | 37 |