- 1 John Murray & Co. (leather belting)
- 1 John Norris (weaving)
- 7 John Penn House
- 5 John Roach & Son
- 4 John S. Brown & Sons
- 2 John S. Brown & Sons (Belfast, Ireland)
- 1 John T. Noye & Son
- 4 John Wanamaker
- 44 John Wanamaker (Firm)
- 3 John Wyeth & Bro.
- 3 John, Martin, 1624-1707
- 71 John, the Apostle, Saint
- 1 John, the Apostle, Saint - Drinking poison
- 2 John, the Apostle, Saint - In boiling oil
- 7 John, the Apostle, Saint - On Patmos
- 1 John, the Apostle, Saint - Preaching
- 58 John, the Baptist, Saint
- 1 John, the Baptist, Saint - Praying
- 1 John, the Baptist, Saint - Preaching
- 1 Johnson & Stokes Garden and Grass Seeds
- 1 Johnson see Brinton & Johnson
- 2 Johnson Street
- 1 Johnson, Andrew, 1808 - 1875
- 33 Johnson, Arthur V., 1876-1916
- 5 Johnson, Hiram Warren, 1866-1945
- 1 Johnson, Hugh Samuel, 1881–1942
- 1 Johnson, John Graver, 1841-1917
- 1 Johnson, Virgil L.
- 3 Johnston Street
- 1 Johnston, J.M.
- 2 Johnston, Joseph E. (Joseph Eggleston), 1807-1891
- 2 Johnstown, Pennsylvania
- 1 Joinery
- 1 Joints (Engineering)
- 1 Jolly boats (watercraft)
- 2 Jolly, Emily
- 2 Jonah (Biblical prophet)
- 2 Jonah (Biblical prophet) - Cast up by fish by fish (whale)
- 2 Jonah (Biblical prophet) - Swallowed by fish (whale)
- 1 Jonas Brothers (Firm)
