Below are List of world’s billionaire:
- Ji Changqun – Billionaire
- Jerry Yang – Billionaire
- Jerry Speyer – Billionaire
- Jerry Reinsdorf – Billionaire
- Jerry Perenchio – Billionaire
- Jerry Jones – Billioanire
- Jerónimo Arango – Billionaire
- Jeremy Jacobs – Billionaire
- Jensen Huang – Billionaire
- Jennifer Pritzker – Billionaire
- Jeffrey Skoll – Billionaire
- Jeffrey Lurie – Billionaire
- Jeffrey Lorberbaum – Billionaire
- Jeffrey J. Rothschild – Billionaire
- Jeffrey Gundlach – Billionaire
- Jeffery Hildebrand – Billionaire
- Jeff Sutton – Billionaire
- Jeff Greene – Billioanire
- Jeff Bezos – Billionaire
- Jean-Paul Clozel – Billionaire
- Jean-Michel Besnier – Billionaire
- Jean Salata – Billionaire
- Jean Pierre Cayard – Billionaire
- Jean Coutu – Billionaire
- Jean (Gigi) Pritzker – Billionaire
- Jayme Garfinkel – Billionaire
- Jay Robert (J.B.) Pritzker – Billionaire
- Jay Paul – Billionaire
- Jason Jiang – Billionaire
- Jason Chang – Billionaire
- Jasminder Singh – Billionaire
- Japanese Billionaire : Yusaku Maezawa
- Jannie Mouton – Billionaire
- Jane Lauder – Billionaire
- Jane Goldman – Billionaire
- Jan Koum – Billionaire
- Jamshyd Godrej – Billionaire
- Jamie Dimon – Billionaire
- James Packer – Billionaire
- James Leprino – Billionaire
- James Leininger – Billionaire
- James Jannard – Billionaire
- James Irving – Billionaire
- James Harris Simons – Billionaire
- James Goodnight – Billionaire
- James Dyson – Billionaire
- James Dinan – Billionaire
- James Coulter – Billionaire
- James Clark – Billionaire
- James Chambers – Billionaire
- James Cargill, II. – Billionaire
- Jaime Botín – Billionaire
- Jacques Saade & family – Billionaire
- Jacques D’Amours – Billionaire
- Jacqueline Mars – Billionaire
- Jacky Xu – Billionaire
- Jack Ma – Billionaire
- Jack Dorsey – Billionaire
- Jack Cowin – Billionaire
- Jack & Laura Dangermond – Billionaire
- J. Tomilson Hill – Billionaire
- J. Joe Ricketts – Billionaire
- J. Christopher Reyes – Billionaire
- J. Christopher Flowers – Billionaire
- Ivan Glasenberg – Billionaire
- Ivan Chrenko – Billionaire
- Issad Rebrab – Billionaire
- Israel Englander – Billionaire
- Iskander Makhmudov –
- Isak Andic – Billionaire
- Isabel dos Santos – Billionaire
- Isaac Perlmutter – Billionaire
- Isaac Larian – Billionaire
- Irwin Jacobs – Billionaire
- Iris Fontbona – Billionaire
- Ira Rennert – Billionaire
- Ion Țiriac – Billionaire
- Indian Billionaire : Yusuf Khwaja Hamied
- Imogene Powers Johnson – Billionaire
- Ilona Herlin – Billionaire
- Ilkka Herlin – Billionaire
- Ihor Kolomoyskyy – Billionaire
- Igor Makarov – Billionaire
- Igor Kesaev – Billionaire
- Igor Altushkin – Billionaire
- Idan Ofer – Billionaire
- Ian Wood & family – Billionaire
- Hussain Sajwani – Billionaire
- Hüsnü Özyeğin – Billionaire
- Husain Djojonegoro & family – Billionaire
- Hur Young-In – Billionaire
- Huo Qinghua – Billionaire
- Hui Lin Chit – Billionaire
- Hubertus Benteler – Billionaire
- Hubert Burda – Billionaire
- Huang Zhenda & family – Billionaire
- Huang Yi – Billionaire
- Huang Wenji & family – Billionaire
- Huang Wen Tsai – Billionaire
- Huang Wei – Billionaire