List of Billboard Adult Contemporary number ones of 2024

Adult Contemporary is a chart published by Billboard ranking the top-performing songs in the United States in the adult contemporary music (AC) market, based on weekly airplay data from radio stations compiled by Broadcast Data Systems.

In the issue of Billboard dated January 6, "Flowers" by Miley Cyrus moved back to number one, its 35th non-consecutive week atop the chart. Two weeks later the song broke the record for the most weeks at number one on the Adult Contemporary chart. The following week, Taylor Swift reached number one with "Cruel Summer", a song which had been available as an album track since 2019 but not promoted as a single until 2023. As of the issue of Billboard dated July 20, only these two songs had occupied the top spot during 2024.