Mathew Tyler Oakley is an American YouTube and podcast personality, author and activist. Much of Tyler's activism had been dedicated to LGBT youth, LGBT rights, as well as social issues including healthcare, education, and the prevention of suicide among LGBT youth.

Tyler regularly posts material on various topics, including queer politics, pop culture and humor.

He began making videos in 2007; his first video Raindrops has received over 420,000 views on YouTube as of January 3, 2016.

Since uploading his first video in 2007 while a freshman at Michigan State University, his channel has over 615 million views and over 8 million subscribers as of February 2017.

Tyler, who is openly gay, is a former member of the successful collaboration channel "5AwesomeGays," where he produced the Friday video for over three years.

In 2016 The Tyler Oakley Show, with Tyler as host of the show, premiered. The show will air weekly on Ellen DeGeneres’ ellentube platform.

He was named one of Forbes' 2017 30 under 30.