2019 iHeartRadio Music Awards

The 2019 iHeartRadio Music Awards was held at Microsoft Theater in Los Angeles on March 14, 2019, and was broadcast live on Fox. Ariana Grande and Ella Mai were the most awarded artists, each winning three iHeartRadio Music Awards on the night. Cardi B led the list of nominees with 14 nominations, followed by Drake with eight. T-Pain, who won The Masked Singer, hosted the show.

Winners and nominees
The nominations were announced on January 9, 2019. Nominations for Best Fan Army were announced on January 23.

Winners are shown in Boldtype.