Happy Birthday Matt Damon October 07, 2016 Matt Damon will celebrate his 46th birthday on October 8th!! Happy Birthday to our favorite Martian!! ShareTweet0 Shares Tags: Celeb Birthdays Celebrity Birthdays Celebrity News Entertainment News Happy Birthday Hollywood Birthday Hollywood News Hollywood TV Matt Damon YOU MIGHT ALSO LIKE Happy Birthday Leonardo DiCaprio Birthdays November 11, 2016 Happy Birthday Bill Nye Birthdays November 27, 2017 Celeb Birthdays for August 14th Birthdays August 14, 2017