Big Jack
- Alistair Nicholson
- Big Jack (film)
- Big Jack (song)
- Big Jack Armstrong
- Big Jack Johnson
- Big Jack Zelig
- Big Jacks Creek
- Big Jacks Creek Wilderness
- Big Jake
- Big Jim (toy line)
- Dance Naked
- EMD DDA40X
- Hungry Jack's
- Jack Arkwright
- Jack McGill (ice hockey, born 1921)
- Jack Pioggi
- Jack Wisner
- John J. McNulty Jr.
- List of lakes in Woodruff County, Arkansas
- Union Pacific Railroad