Mark Manson (born March 9, 1984) is an American self-help author and blogger. As of 2019, he had authored three books, two of which, The Subtle Art of Not Giving a Fuck, and Everything Is Fucked: A Book About Hope, were The New York Times bestsellers. His books have sold over 13 million copies.

Mark Manson was raised in Austin, Texas, in the United States. He moved to Boston, Massachusetts to study, and graduated from Boston University in 2007. In 2016 he married Fernanda Neute.

Manson started his first blog about dating advice in 2008. In 2010, he started a new blog called Post Masculine (now defunct) which provided general life advice for men. Manson moved his blog to markmanson.net in 2013. In 2015, Manson published a blog article "The Subtle Art of Not Giving a Fuck", which would form the basis of his second book by the same name.