The 2025 iHeartRadio Music Awards were held at the Dolby Theatre in Los Angeles on March 17, 2025, and broadcast live on Fox. It was hosted by LL Cool J.

At the ceremony, Mariah Carey was honored with the Icon Award for her "incredible and influential career as singer, songwriter, and producer, who has broken virtually every chart and touring record around the globe". Lady Gaga was honored with the Innovator Award for being a "modern day artist innovator", who has taken "beyond creating music and performances that have inspired the world, and an outspoken activist, philanthropist and supporter of many important issues". Taylor Swift's The Eras Tour was honored with Tour of the Century. Nelly was honored with Landmark Award which honors artists whose album releases have inspired and shaped culture over multiple decades.

Performers were announced on March 10, 2025.

Notes

iHeartRadio announced the nominees on January 22, 2025. Taylor Swift and Morgan Wallen were the most nominated artists with ten, followed by Kendrick Lamar, Post Malone, and Sabrina Carpenter with nine. Swift won nine awards overall, making her the most awarded artist of the ceremony.

Winners are listed first and in bold.

Voting for Socially voted categories opened on January 22 and ended on March 10 on iHeartRadio's website.