- Izabela Burda-Markiewicz
- Izabela Górnicka-Zdziech
- Izabela Lewosińska
- J. Emmerson-Hicks
- J. I. Packer
- J. Philip Arthur
- J.C. Ryle
- J.D.Watson
- J.I. Packer, M.C. Tenney
- J.P.Moreland
- J'nell Ciesielski
- Jacek Bielas
- 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