Letters to Santa 3 (Polish: Listy do M. 3) is a 2017 Polish-language romantic comedy film, directed by Tomasz Konecki, and written by Marcin Baczyński and Mariusz Kuczewski.
Melchior "Mel", attempts to track down his son, who has left to find his long-lost grandfather; Karolina, who works in a radio station, unexpectedly meets the love of her live; and Wojciech tries to put his life back together after death of his wife.
The music was done by Łukasz Targosz, cinematography by Marian Prokop, editing by Jarosław Barzan, scenography by Joanna Kaczyńska, and costiumes by Dorota Roqueplo.
The film was produced by TVN, and distributed by Kino Świat.
It was filmed from 26 January to 29 March 2017 in Warsaw and Piotrków Trybunalski.