Letters to Santa is a 2009 collection of Christmas songs sold exclusively through the United States Postal Service. The Muppets' song "Delivering Christmas" appears on this compilation - the only CD release of any songs from the 2008 special A Muppets Christmas: Letters to Santa.
- Let It Snow, Let It Snow, Let It Snow — Michael Bublé
- The Christmas Song — Nat King Cole
- Sleigh Ride — Diana Krall
- The Christmas Waltz — Frank Sinatra
- Merry Christmas, Darling — Natalie Cole
- Christmas Time Is Here (from A Charlie Brown Christmas) — Vince Guaraldi
- Just Like Me — Vanessa Williams
- Santa Claus is Coming to Town — Ray Charles
- White Christmas — Rosemary Clooney
- O Tannenbaum — Boney James
- Delivering Christmas (from Letters to Santa) — The Muppets featuring Jesse L. Martin
- It's the Most Wonderful Time of the Year — Erich Kunzel & Cincinnati Pops Orchestra
- I'll Be Home for Christmas — Monica Mancini and Dave Koz
- While Noel MacNeal performs Sweetums in the televised version of "Delivering Christmas," Steve Whitmire voices him for the album version. Jesse L. Martin's vocals are also replaced by Bill Barretta.