Mark Manson (born March 9, 1984) is an American self-help author and blogger.

As of 2026, he has authored or co-authored four books, three of which, The Subtle Art of Not Giving a F*ck, Everything Is F*cked: A Book About Hope, and Will, were New York Times bestsellers.

Mark Manson was raised in Austin, Texas, in the United States, where he attended St. Andrews Episcopal School after his parents got a divorce. He moved to Boston, Massachusetts, to study international relations, and graduated from Boston University in 2007.

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.

Manson's first book, Models: Attract Women Through Honesty, was self-published in 2011. It was reissued by Pan Macmillan Australia in 2017.

His second book, The Subtle Art of Not Giving a F*ck: A Counterintuitive Approach to Living a Good Life, was published in 2016. It appeared on the New York Times Bestseller List at number six in the category of How-to and Miscellaneous during the week of October 2, 2016, rising to number one in July 2017. As of September 2022, the book had spent 268 weeks in the top 10 before dropping out, having sold over 12 million copies by June 23.