- John Knox Village
- John Knox Village of Florida
- Johns Hopkins
- Johns Hopkins University
- Johnson & Johnson
- Johnson Memorial Hospital
- Joint Center for Housing Studies of Harvard University
- Joint Commission
- Joint Commission Journal on Quality and Patient Safety
- Journal of Gerontological Social Work
- Journal of Hospital Medicine
- Journal of Human Resources
- Journal of Nursing Regulation
- Journal of the American Geriatrics Society
- Journal of the American Medical Association
- Journal of the American Medical Directors Association
- Journal Star
- Journey Skilled Nursing
- JPMorgan
- JR & Associates