| Jackson Judith | Fermi National Accelerator Laboratory | USA |
| James Catherine | Fermi National Accelerator Laboratory | USA |
| Jaros John | Stanford Linear Accelerator Center | USA |
| Jawahery Hassan | University of Maryland | USA |
| Jenkins Elizabeth | University of California, San Diego | USA |
| Jensen Hans B. | Fermi National Accelerator Laboratory | USA |
| Johnson Denis | Vrije Universiteit Brussel | Belgium |
| Johnson Marvin | Fermi National Accelerator Laboratory | USA |
| Jones Roger | Lancaster University | UK |
| Jostlein Hans | Fermi National Accelerator Laboratory | USA |
| Jung Chang Kee | State University of New York, Stony Brook | USA |
| Juste Aurelio | Fermi National Accelerator Laboratory | USA |