Franz Malmsten Jr. (born September 7, 1999) is an Estonian actor.

He graduated from Vanalinna College of Education (21st flight) in 2019. Then studied acting in London for a year. From 2020, he studies at Tallinn University's Institute of Baltic Film, Media, Arts and Communication.

He is a son to Mait Malmsten and Harriet Toompere, and brother to Hugo Malmsten Jr.. His cousin is actor Hendrik Toompere Jr. Jr..