- James Salvia
- James Springer
- James Treharne
- James V. Burke
- James W. Chrissis
- James W. George
- James Wade
- James Weber
- James Yeh
- Jamol Pender
- Jan A. Van Mieghem
- Jan de Wit Company
- Jan Fransoo
- Jan Karel Lenstra
- Jan M. Chaiken
- Jan Roelf Bult
- Jan Vlachy
- Jan-Benedict E.M. Steenkamp
- Jan-Rasmus Künnen
- Jane Ammons
