Mark Boyle aka The Moneyless Man (born 8 May 1979) is a business graduate who lived completely without money for three years, and is the best-selling author of The Moneyless Man (2010), and The Moneyless Manifesto (2012) and Drinking Molotov Cocktails with Gandhi (2015).

He is a director of Streetbank, a charity which enables people across the world to share skills and resources with neighbours. Mark writes for publications as varied as the Guardian and Permaculture magazine, contributes to international radio and television, and has been featured in major media including CNN, The Telegraph, BBC, The Huffington Post, ABC, Mother Jones and Metro. He lives on a smallholding in Ireland.