J
- Thomas Jaggar, geologist and founder of the Hawaiian Volcano Observatory
- William Paul Jarrett, United States Representative from the Territory of Hawaii.
- Dwayne Johnson, professional wrestler and actor known as "The Rock"
- Jack Johnson, singer, musician, songwriter, and documentary filmmaker, born in Oahu.
- Cris Judd actor, partly raised in Hawaii.
- Gerrit P. Judd, missionary and advisor
Read more about this topic: List Of People From Hawaii