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.
<sup></sup> Each year is linked to the article about the Mnet Asian Music Awards held that year.