[1] In August, Mnet responded to reports regarding the venues of the year's ceremony as Hong Kong, where it had been held in the past, was deemed unsafe due to political conflict in the city.

On September 29, Mnet announced that the host location of 2019 MAMA will be at Nagoya, Japan, stating that cultural exchange must continue regardless of political matters.

The following individuals and groups, listed in order of appearance, presented awards or performed musical numbers.

Online voting opened on the official MAMA website, Mwave app, and Twitter an hour after the announcement of nominees on October 22, 2019.

[4] The Red Carpet was live streamed on the official Mnet MAMA Twitter page.