J
- Arthur Jaeger ~ Blue & Gray (with Henry Busch)
- Alvydas Jakeliunas ~ Alva
- Oliver Jakopaschke ~ TiJa (with Klaus Tidow)
- Guy Jeandel ~ Verso
- Bill Jemas ~ Express Chess
- W. Jeronim ~ Quadriga
- Darrell Johnson ~ Dragoon Chess
- David Jonca ~ Bulltricker
- Bryn Jones ~ Oska (with Michael Woodward)
- Kate Jones ~ Lemma, Quintillions, Sextillions, Quintachex
- Claude Jonette ~ Crescendo
- Jean Pierre Jouve ~ Reflecto
