Santa Claus. Battle of the Magi (Russian: Дед Мороз. Битва магов, romanized: Ded Moroz. Bitva magov) is a 2016 Russian Christmas fantasy action film directed by Aleksandr Voytinskiy and produced by Georgiy Malkov, Vladimir Polyakov and Lev Karasev. The film's protagonist is Masha, a girl who witnesses an epic battle of monsters with young magicians in the center of Moscow; one of the sorcerers saves the girl and leads her to a secret organization where she learns not only that Father Frost (Santa Claus) truly does exist, but also that the New Year is a real magical ritual.

It stars Taisiya Vilkova, with Nikita Volkov, Fyodor Bondarchuk, Aleksei Kravchenko, Egor Beroev, Ksenia Alfyorova, Sergey Badyuk, Irina Antonenko, Igor Chekhov and Filipp Gorenshteyn in supporting roles.

The premiere of the film in Russia took place on 24 December 2016, and it later appeared in Russian screens on the eve of the New Year 2017.