An American Girl Story – Maryellen 1955: Extraordinary Christmas is a 2016 family-drama film starring Alyvia Alyn Lind in the title role, along with Mary McCormack and Madison Lawlor in supporting roles. The film takes place in mid-1950s Daytona Beach, Florida, centering on Maryellen Larkin's life together with her big family, longing to stand out among her siblings and other relatives, and how she helped a number of young patients at a polio ward, Maryellen herself had polio.

Extraordinary Christmas is the second in the American Girl film series to be released exclusively on an online streaming service, and is the twelfth release overall. It is also the second American Girl film to feature the Maryellen character, the first being the short Maryellen and the Brightest Star starring Harlie Galloway.