- Jacek Daniluk
- Jacek Matter
- Jacek Pleciński
- Jacek Pulikowski
- Jack Canfield , Barbara De Angels , Mark Donnelly
- Jack Canfield , Mark Victor Hansen , LeAnn Thieman
- Jack Countryman
- Jack Frost
- Jack London
- Jack P. Warrand
- Jackie Hill Perry
- Jackie Mize
- Jackie Silberg
- Jacob Vium Olesen
- Jacob Vium-Olesen
- Jadwiga stasica
- Jagoda Michalak
- Jaime Jo Wright
- Jakob Vium-Olesen
- Jakub Kamiński
- Jakub Kołacz
- Jakub Wujek
- Jamer Merritt
- James Allen
- James B. Richards
- James Bryan Smith
- James Bryan Smiths
- James C. Dobson
