The Best of Pentatonix Christmas is the first compilation album by American a cappella group Pentatonix. It contains Christmas songs, originally recorded for and included on their holiday albums PTXmas, That's Christmas to Me, A Pentatonix Christmas and Christmas Is Here!, as well as four new songs: "Do You Hear What I Hear?", "God Only Knows", "Joyful, Joyful", and "You're a Mean One, Mr. Grinch". It was released via RCA Records on October 25, 2019. In December 2019, the group toured the United States in support of the album.