Below are List of world’s billionaire:
- Robert Kraft – Billionaire
- Robert Giffen – Billionaire
- Robert Friedland – Billionaire
- Robert Fisher – Billionaire
- Robert E. Rich Jr. – Billionaire
- Robert Duggan – Billionaire
- Robert Defares – Billionaire
- Robert Coyiuto, Jr. – Billionaire
- Robert Citrone – Billionaire
- Robert Budi Hartono – Billionaire
- Robert Bass – Billionaire
- Robert & Philip Ng – Billionaire
- Rita Tong Liu – Billionaire
- Rit Thirakomen & family – Billionaire
- Rishad Naoroji – Billionaire
- Rinat Akhmetov – Billionaire
- Riley P. Bechtel – Billionaire
- Rick Caruso – Billionaire
- Richard Yuengling Jr. – Billionaire
- Richard Tsai – Billionaire
- Richard Schulze – Billionaire
- Richard Pratt (Australian businessman) – Billionaire
- Richard Peery – Billionaire
- Richard Oetker – Billionaire
- Richard Li – Billionaire
- Richard LeFrak – Billionaire
- Richard Kinder – Billionaire
- Richard Hayne – Billionaire
- Richard DeVos – Billinaire
- Richard Desmond – Billionaire
- Richard Chandler – Billionaire
- Richard Branson – Billionaire
- Ricardo Salinas Pliego – Billioniare
- Renzo Rosso – Billionaire
- Renate Reimann-Haas – Billionaire
- Renata de Camargo Nascimento - Billionaire
- Ren Zhengfei – Billionaire
- Ren Jianhua – Billionaire
- Remo Ruffini – Billionaire
- Reinold Geiger – Billionaire
- Reinhold Würth – Billionaire
- Reinhold Schmieding – Billionaire
- Reid Hoffman – Billionaire
- Regine Leibinger – Billionaire
- Regina de Camargo Pires Oliveira Dias – Billionaire
- Reed Hastings – Billionaire
- Ray Lee Hunt – Billionaire
- Ray Davis – Billionaire
- Ray Dalio – Billionaire
- Ravi Jaipuria – Billionaire
- Ranjan Pant – Billionaire
- Randy Lerner – Billionaire
- Randall Rollins – Billionaire
- Randal J. Kirk – Billionaire
- Randa Williams – Billionaire
- Rana Kapoor – Billionaire
- Ramon Ang – Billionaire
- Ram Shriram – Billionaire
- Ralph Sonnenberg & family – Billionaire
- Ralph Lauren – Billionaire
- Rakesh Jhunjhunwala – Billionaire
- Rakesh Gangwal – Billionaire
- Rajju Shroff – Billionaire
- Rajan Raheja & family – Billionaire
- Raj Kumar & Kishin RK – Billionaire
- Rainer Blickle – Billionaire
- Rahul Bajaj – Billionaire
- Rahmi Koç – Billionaire
- Raghuvinder Kataria – Billionaire
- Rafael del Pino Calvo-Sotelo – Billionaire
- Radik Shaimiev – Billionaire
- Radhe Shyam Goenka – Billionaire
- Radhe Shyam Agarwal – Billionaire
- Radhakishan Damani & family – Billionaire
- Quek Leng Chan – Billionaire
- Que Wenbin & family – Billionaire
- Qiu Jianping & family – Billionaire
- Qiu Guanghe – Billionaire
- Qin Yinglin & family – Billionaire
- Qi Jinxing – Billionaire
- Pyotr Kondrashev – Billionaire
- Pyotr Aven – Billionaire
- Prince Sultan bin Mohammed bin Saud Al Kabeer – Billionaire
- Prayudh Mahagitsiri – Billionaire
- Prasert Prasarttong-Osoth – Billionaire
- Prajogo Pangestu – Billionaire
- Polys Haji-Ioannou – Billionaire
- Pollyanna Chu – Billionaire
- Pierre Omidyar – Billionaire
- Pierre Karl Péladeau – Billionaire
- Pierre Chen – Billionaire
- Pierre Bellon – Billionaire
- Piero Ferrari – Billionaire
- Pier Luigi Loro Piana – Billionaire
- Phillip Ruffin – Billionaire
- Phillip Ragon – Billionaire
- Phillip Frost – Billionaire
- Philippe Ginestet – Billionaire
- Philippe Foriel-Destezet – Billionaire
- Philip Niarchos – Billionaire