Happy Birthday Matt Damon October 07, 2016 Matt Damon will celebrate his 46th birthday on October 8th!! Happy Birthday to our favorite Martian!! Share Tweet +1Shares 0 Tags: Celeb Birthdays Celebrity Birthdays Celebrity News Entertainment News Happy Birthday Hollywood Birthday Hollywood News Hollywood TV Matt Damon YOU MIGHT ALSO LIKE Celeb Birthdays for September 13th Birthdays September 13, 2017 Celeb birthdays for October 2nd Birthdays October 02, 2017 Happy Birthday Lauren Graham Birthdays March 16, 2018