| MAMA Award for Best OST | |
| Awarded For: | Top soundtrack for a television series |
| Presenter: | CJ E&M Pictures (Mnet) |
| Country: | South Korea |
| Year: | 2004 |
| Holder: | Crush – "Love You With All My Heart" (2024) |
| Website: | Mnet Asian Music Awards |
The MAMA Award for Best OST is an award presented annually by CJ E&M Pictures (Mnet) at the MAMA Awards. It was first awarded at the 2004 Mnet KM Music Video Festival; Jo Sungmo won the award for his song "By Your Side" for the drama series Lovers in Paris, and is given in honor for the performers with the best soundtrack for a television series.
| Year | Recipient(s) | Soundtrack | Television series | Nominees (Television series in parentheses) | |
|---|---|---|---|---|---|
| 2004 (6th) | Jo Sung-mo | "By Your Side" | Lovers in Paris |
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| 2005 (7th) | Clazziquai | "She Is" | My Lovely Sam Soon | — | |
| 2006 (8th) | SeeYa | "Crazy Love Song" | Invisible Man | — | |
| 2007 (9th) | colspan="4" | ||||
| 2008 (10th) | Kim Jong-wook & SG Wannabe | "Fate Reverse" | East of Eden |
| |
| 2009 (11th) | SS501 | "Because I'm Stupid" | Boys Over Flowers |
| |
| 2010 (12th) | colspan="4" | ||||
| 2011 (13th) | Baek Ji-young | "That Woman" | Secret Garden |
| |
| 2012 (14th) | Seo In-guk & Jung Eun-ji | "All For You" | Reply 1997 |
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| 2013 (15th) | Yoon Mi-rae | "Touch Love" | Master's Sun |
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| 2014 (16th) | Lyn | "My Destiny" | My Love from the Star |
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| 2015 (17th) | colspan="4" | ||||
| 2016 (18th) | "Don't Worry" | Reply 1988 |
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| 2017 (19th) | Ailee | "I Will Go to You Like the First Snow" |
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| 2018 (20th) | Seventeen | "A-Teen" | A-Teen |
| |
| 2019 (21st) | Gummy | "Remember Me" | Hotel del Luna |
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| 2020 (22nd) | Gaho | "Start Over" | Itaewon Class |
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| 2021 (23rd) | Jo Jung-suk | "I Like You" | Hospital Playlist Season 2 |
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| 2022 (24th) | MeloMance | "Love, Maybe" | Business Proposal |
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| 2023 (25th) | BTS | "The Planet" | Bastions |
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| 2024 (26th) | Crush | "Love You With All My Heart" | Queen of Tears |
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