Now That's What I Call Music! 56 is the 56th edition of the Now! series in the United States, released on October 30, 2015. It features 22 tracks including three Billboard Hot 100 number-one hits: "See You Again" by Wiz Khalifa featuring Charlie Puth, "Can't Feel My Face" by The Weeknd and "Bad Blood" by Taylor Swift featuring Kendrick Lamar.

The album debuted at number 4 on the Billboard 200 albums chart, selling 58,000 units in its first week of release.