Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Jenny Jump Mountain | Summit | 343 | Warren | 40 55 10 N | 074 54 28 W |
| Jenny Jump State Forest | Forest | 286 | Warren | 40 55 02 N | 074 54 53 W |
| Jeremy Point | Cape | 3 | Ocean | 39 35 13 N | 074 18 56 W |
| Jericho | Populated Place | 9 | Cumberland | 39 28 12 N | 075 21 06 W |
| Jericho | Populated Place | 30 | Gloucester | 39 48 20 N | 075 08 24 W |
| Jericho Pond | Reservoir | 4 | Cumberland | 39 28 17 N | 075 21 10 W |
| Jericho Pond Dam | Dam | 5 | Cumberland | 39 28 17 N | 075 21 10 W |
| Jericho School | School | 29 | Gloucester | 39 48 26 N | 075 08 22 W |
| Jerome Avenue Park | Park | 1 | Atlantic | 39 20 00 N | 074 30 27 W |
| Jerome Avenue Park | Park | 2 | Atlantic | 39 19 58 N | 074 30 26 W |
| Jerry Creek | Stream | | Atlantic | 39 33 40 N | 074 30 14 W |
| Jerry Morgan Park | Park | 6 | Monmouth | 40 18 37 N | 073 59 03 W |
| Jersey City | Civil | 6 | Hudson | 40 42 41 N | 074 03 53 W |
| Jersey City | Populated Place | 9 | Hudson | 40 43 41 N | 074 04 40 W |
| Jersey City Aqueduct | Canal | 3 | Bergen | 40 47 29 N | 074 06 05 W |
| Jersey City Church of the Nazarene | Church | 41 | Hudson | 40 42 46 N | 074 05 01 W |
| Jersey City City Hall | Building | 41 | Hudson | 40 43 04 N | 074 02 35 W |
| Jersey City Deliverance Temple | Church | 41 | Hudson | 40 42 49 N | 074 04 31 W |
| Jersey City Medical Center | Hospital | 41 | Hudson | 40 43 21 N | 074 03 48 W |
| Jersey City Seaplane Base | Airport | 0 | Hudson | 40 42 36 N | 074 06 27 W |
| Jersey Flats | Bar | -3 | Hudson | 40 39 43 N | 074 03 36 W |
| Jersey Gardens Mall Shopping Center | Locale | 41 | Union | 40 40 00 N | 074 10 33 W |
| Jersey Heights Spanish Seventh Day Adventist Church | Church | 41 | Hudson | 40 44 47 N | 074 02 42 W |
| Jersey Shore Medical Center | Hospital | 11 | Monmouth | 40 12 30 N | 074 02 27 W |
| Jersey Shore Medical Center Heliport | Airport | 11 | Monmouth | 40 12 30 N | 074 02 26 W |
| Jersey Turnpike Heliport | Airport | 23 | Middlesex | 40 28 36 N | 074 24 30 W |
| Jersey Turnpike New Brunswick Helistop | Airport | 20 | Middlesex | 40 28 38 N | 074 24 27 W |
| Jerseyville | Populated Place | 47 | Monmouth | 40 14 21 N | 074 13 46 W |
| Jerusalem Baptist Church | Church | 41 | Hudson | 40 42 58 N | 074 04 38 W |
| Jesses Creek | Stream | | Ocean | 39 35 49 N | 074 18 36 W |
| Jessie F George Elementary School | School | 41 | Bergen | 40 59 29 N | 074 03 07 W |
| Jessie Point | Cape | -1 | Ocean | 39 35 44 N | 074 18 40 W |
| Jessups Mill | Populated Place | 30 | Salem | 39 39 42 N | 075 13 50 W |
| Jewish Center of South Bergen | Church | 41 | Bergen | 40 49 57 N | 074 05 51 W |
| Jewish Community Center | Church | 41 | Union | 40 43 10 N | 074 21 58 W |
| Jewish Community Center of Metuchen | Building | 41 | Middlesex | 40 32 52 N | 074 21 12 W |
| Jimmies Creek | Gut | 3 | Ocean | 39 32 51 N | 074 19 38 W |
| Jimmys Point | Cape | 0 | Cape May | 39 03 22 N | 074 49 17 W |
| Job Creek | Stream | | Cape May | 39 17 20 N | 074 39 33 W |
| Job Point | Cape | -3 | Atlantic | 39 18 32 N | 074 37 50 W |
| Jobs Creek | Stream | | Burlington | 39 34 59 N | 074 26 25 W |
| Jobstown | Populated Place | 22 | Burlington | 40 02 13 N | 074 41 35 W |
| Joe Palaia Park | Park | 11 | Monmouth | 40 15 29 N | 074 01 42 W |
| John A Forrest Elementary School | School | 21 | Bergen | 40 56 02 N | 074 07 48 W |
| John Adams Elementary School | School | 35 | Middlesex | 40 27 53 N | 074 29 24 W |
| John Adams Middle School | School | 39 | Middlesex | 40 34 43 N | 074 22 11 W |
| John Calvin Magyar Reformed Church | Church | 28 | Middlesex | 40 31 06 N | 074 16 33 W |
| John E Riley Elementary School | School | 23 | Middlesex | 40 35 40 N | 074 24 15 W |
| John E Rogers Airport | Airport | 152 | Warren | 40 51 12 N | 074 55 45 W |
| John E Runnells Hospital | Hospital | 92 | Union | 40 39 39 N | 074 25 13 W |
| John F Johnson Junior Memorial Park | Park | 32 | Ocean | 40 06 25 N | 074 17 37 W |
| John F Kennedy Elementary School | School | 34 | Middlesex | 40 20 58 N | 074 26 33 W |
| John F Kennedy Elementary School | School | 25 | Middlesex | 40 35 12 N | 074 23 56 W |
| John F Kennedy Elementary School | School | 41 | Passaic | 40 56 51 N | 074 13 20 W |
| John F Kennedy Elementary School | School | 41 | Somerset | 40 34 08 N | 074 38 55 W |
| John F Kennedy High School | School | 13 | Burlington | 40 01 52 N | 074 52 56 W |
| John F Kennedy High School | School | 41 | Passaic | 40 54 53 N | 074 11 17 W |
| John F Kennedy Lake | Lake | 6 | Burlington | 40 04 22 N | 074 51 44 W |
| John F Kennedy Memorial Library | Building | 41 | Bergen | 40 51 24 N | 074 06 48 W |
| John F Kennedy Memorial School | School | 50 | Camden | 39 48 51 N | 074 56 06 W |
| John F Kennedy Number 7 Elementary School | School | 52 | Hudson | 40 45 42 N | 074 02 39 W |
| John F Kennedy Park | Park | 2 | Atlantic | 39 18 27 N | 074 36 25 W |
| John F Kennedy Park | Park | 5 | Atlantic | 39 18 25 N | 074 36 21 W |
| John F Kennedy Park | Park | 6 | Burlington | 40 04 20 N | 074 51 39 W |
| John F Kennedy Stadium | Park | 41 | Hudson | 40 44 58 N | 074 02 02 W |
| John H Glen School | School | 45 | Camden | 39 46 38 N | 074 58 46 W |
| John H Glenn Junior School | School | 8 | Middlesex | 40 23 32 N | 074 19 42 W |
| John Hill Elementary School | School | 117 | Morris | 40 54 03 N | 074 24 07 W |
| John J Delaney Homes (subdivision) | Populated Place | 20 | Middlesex | 40 32 02 N | 074 16 53 W |
| John L Costley Senior Middle School | School | 41 | Essex | 40 46 21 N | 074 12 30 W |
| John M Bailey Number 12 Elementary School | School | 9 | Hudson | 40 39 25 N | 074 07 43 W |
| John Marshall Elementary School | School | 24 | Middlesex | 40 30 43 N | 074 25 04 W |
| John Marshall Elementary School | School | 6 | Union | 40 39 32 N | 074 11 27 W |
| John P Faber Elementary School | School | 17 | Middlesex | 40 34 57 N | 074 28 03 W |
| John Parker Park | Park | 8 | Monmouth | 40 20 06 N | 074 03 55 W |
| John S Watson Park | Park | 40 | Mercer | 40 16 20 N | 074 47 52 W |
| John V B Wicoff Elementary School | School | 40 | Mercer | 40 19 59 N | 074 35 37 W |
| John Wesley Cemetery | Cemetery | 6 | Cape May | 39 07 30 N | 074 48 05 W |
| John Wesley Methodist Church | Church | 41 | Bergen | 40 49 51 N | 074 05 48 W |
| John Witherspoon Middle School | School | 56 | Mercer | 40 21 11 N | 074 39 46 W |
| John Y Dater Elementary School | School | 41 | Bergen | 41 03 30 N | 074 08 42 W |
| Johnnie L Cochran Junior Academy Elementary School | School | 41 | Essex | 40 46 57 N | 074 12 46 W |
| Johnny Allens Cove | Bay | 5 | Ocean | 39 48 25 N | 074 05 48 W |
| Johnny Sedge | Island | 3 | Ocean | 39 33 30 N | 074 17 05 W |
| Johnny Thorofare | Channel | -1 | Ocean | 39 33 32 N | 074 17 11 W |
| Johns Lake | Lake | 210 | Passaic | 41 01 28 N | 074 23 46 W |
| Johns-Manville | Airport | 13 | Somerset | 40 33 15 N | 074 34 44 W |
| Johnson Farms Airport | Airport | 331 | Warren | 40 45 00 N | 075 03 57 W |
| Johnson Lake | Reservoir | 255 | Sussex | 40 57 39 N | 074 43 34 W |
| Johnson Lake Dam | Dam | 255 | Sussex | 40 57 39 N | 074 43 34 W |
| Johnson Learning Center | School | 27 | Middlesex | 40 30 23 N | 074 22 03 W |
| Johnson Park | Park | 1 | Bergen | 40 53 38 N | 074 02 09 W |
| Johnson Park | Park | 1 | Middlesex | 40 30 31 N | 074 27 05 W |
| Johnson Park School | School | 35 | Mercer | 40 20 55 N | 074 41 04 W |
| Johnson Place | Populated Place | 36 | Burlington | 39 51 46 N | 074 37 05 W |
| Johnson Pond | Reservoir | 3 | Cape May | 39 11 35 N | 074 49 31 W |
| Johnson Pond Dam | Dam | 3 | Cape May | 39 11 35 N | 074 49 31 W |
| Johnson School | School | 21 | Camden | 39 53 22 N | 075 00 14 W |
| Johnsonburg | Populated Place | 175 | Warren | 40 57 52 N | 074 52 43 W |
| Johnsonburg Post Office | Post Office | 175 | Warren | 40 57 52 N | 074 52 42 W |
| Johnsons Ditch | Canal | 0 | Cumberland | 39 14 47 N | 075 07 49 W |
| Johnsons Pond (historical) | Lake | 7 | Middlesex | 40 30 18 N | 074 26 14 W |
| Johnsontown | Populated Place | 3 | Atlantic | 39 31 25 N | 074 27 36 W |
| Joint Free Public Library of Morristown and Morris Township | Building | 105 | Morris | 40 47 38 N | 074 28 44 W |
| Joint Free Public Library of the Chathams | Building | 69 | Morris | 40 44 26 N | 074 22 50 W |
| Jonadab Creek | Stream | | Cape May | 39 08 06 N | 074 44 54 W |
| Jonas Island | Island | 1 | Atlantic | 39 20 38 N | 074 30 47 W |
| Jonas Salk Middle School | School | 12 | Middlesex | 40 23 09 N | 074 22 01 W |
| Jonathan Dayton High School | School | 30 | Union | 40 42 23 N | 074 18 51 W |
| Jonathan Thorofare | Channel | 0 | Atlantic | 39 23 11 N | 074 29 12 W |