Below are List of world’s billionaire:
- Masahiro Miki – Billionaire
- Mary Alice Dorrance Malone – Billionaire
- Martua Sitorus – Billionaire
- Martin Viessmann & family – Billionaire
- Martin Selig – Billionaire
- Martin Naughton – Billionaire
- Martin Moller Nielsen – Billionaire
- Martin Lau – Billionaire
- Martin Haefner – Billionaire
- Martin Ebner – Billionaire
- Martin & Olivier Bouygues – Billionaire
- Martha Rivers Ingram – Billionaire
- Martha MacMillan – Billionaire
- Martha Ford – Billionaire
- Markus Persson – Billionaire
- Markus Blocher – Billionaire
- Mark Zuckerberg – Billionaire
- Mark Walter – Billionaire
- Mark Stevens – Billionaire
- Mark Shoen – Billionaire
- Mark Scheinberg – Billionaire
- Mark Pincus – Billionaire
- Mark Dixon – Billionaire
- Mark Cuban – Billionaire
- Mark Coombs – Billionaire
- Marius Nacht – Billionaire
- Maritsa Lazari & family – Billionaire
- Mario Moretti Polegato – Billionaire
- Mario Gabelli – Billionaire
- Marina Prada – Billionaire
- Marie Besnier Beauvalot – Billionaire
- Marianne Cargill Liebmann – Billionaire
- Marian Ilitch – Billionaire
- Maria-Elisabeth Schaeffler – Billionaire
- Maria Helena Moraes Scripilliti – Billionaire
- Maria Franca Fissolo & family – Billionaire
- Maria Del Pino y Calvo-Sotelo – Billionaire
- María Asunción Aramburuzabala – Billionaire
- Margarita Louis-Dreyfus – Billionaire
- Margaretta Taylor – Billionaire
- Marcos Galperin – Billionaire
- Marcel Herrmann Telles – Billionaire
- Marcel Erni – Billionaire
- Marcel Erni – Billionaire
- Marcel Adams – Billionaire
- Marc Rowan – Billionaire
- Marc Lasry – Billionaire
- Marc Ladreit de Lacharrière – Billionaire
- Marc Benioff – Billionaire
- Marc Andreessen – Billionaire
- Manuel Villar – Billionaire
- Manuel Moroun – Billionaire
- Manuel Lao Hernandez – Billionaire
- Manuel Jove – Billionaire
- Manny Stul – Billionaire
- Mangal Lodha – Billionaire
- Majid Al Futtaim – Billionaire
- Maja Oeri – Billionaire
- Mahendra Prasad – Billionaire
- Maggie Magerko – Billionaire
- Magdalena Martullo-Blocher – Billionaire
- Madeleine Olsson Ericksson – Billionaire
- Ma Yunsheng – Billionaire
- Ma Xiuhui – Billionaire
- Ma Xingtian – Billionaire
- Ma Jianrong – Billionaire
- Ma Huateng – Billionaire
- Ma Hong – Billionaire
- M.A. Yusuff Ali – Billionaire
- Lynn Schusterman – Billionaire
- Lutz Mario Helmig – Billionaire
- Luo Jye – Billionaire
- Lukas Walton – Billionaire
- Luis Enrique Yarur Rey – Billionaire
- Luis Carlos Sarmiento – Billionaire
- Luigi Rovati & family – Billionaire
- Luigi Cremonini & family – Billionaire
- Lui Che-woo – Billionaire
- Ludwig Theodor Braun – Billionaire
- Ludwig Merckle – Billionaire
- Lucy Stitzer – Billionaire
- Lucy Peng – Billionaire
- Lucio Tan – Billionaire
- Luciano Benetton – Billionaire
- Luca Garavoglia – Billionaire
- Luca Barilla – Billionaire
- Lu Zhiqiang – Billionaire
- Lu Xiangyang – Billionaire
- Lu Guanqiu – Billionaire
- Lu Di – Billionaire
- Lowell Milken – Billionaire
- Louise Lindh – Billionaire
- Louis Le Duff – Billionaire
- Louis Bacon – Billionaire
- Lou Zhongfu & family – Billionaire
- Lottie Tham – Billionaire
- Lorenzo Fertitta – Billionaire
- London & Regional Properties – Billionaire
- Lo Siu-tong – Billionaire
- Lo Siu Yu & family – Billionaire