Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Jamieson | Populated Place | 45 | Gadsden | 30 39 46 N | 084 27 02 W |
| Jan Mann Opportunity School | School | 2 | Miami-Dade | 25 55 13 N | 080 16 19 W |
| Jan-Phyl Village | Populated Place | 47 | Polk | 28 00 53 N | 081 46 18 W |
| Jandrew Cove | Bay | 0 | Indian River | 27 40 11 N | 080 22 00 W |
| Jane Bay | Swamp | 57 | Washington | 30 36 59 N | 085 37 57 W |
| Jane Green Creek | Stream | | Brevard | 28 02 45 N | 080 48 53 W |
| Jane Green Swamp | Swamp | 6 | Brevard | 28 02 35 N | 080 50 43 W |
| Jane Murray Grant | Civil | 4 | Volusia | 28 55 55 N | 080 53 01 W |
| Jane Pond | Reservoir | 24 | Jackson | 30 49 29 N | 084 58 08 W |
| Jane Roberts K-8 Center | School | | Miami-Dade | 25 42 55 N | 080 26 06 W |
| Janero Day Care Center | Building | | Miami-Dade | 25 56 11 N | 080 19 38 W |
| Janes Branch Bay | Swamp | 24 | Holmes | 30 43 43 N | 085 42 07 W |
| Janes Railroad Station | Locale | 38 | Alachua | 29 38 32 N | 082 20 14 W |
| Janie Howard Wilson Elementary School | School | 45 | Polk | 27 55 04 N | 081 35 36 W |
| Janney | Locale | 10 | Levy | 29 25 38 N | 082 56 19 W |
| Jarrett | Populated Place | 51 | Jefferson | 30 37 26 N | 083 56 03 W |
| Jasmine Estates | Populated Place | 1 | Pasco | 28 17 35 N | 082 41 24 W |
| Jasmine Plaza | Locale | 4 | Pasco | 28 14 19 N | 082 43 35 W |
| Jasper | Populated Place | 46 | Hamilton | 30 31 06 N | 082 56 53 W |
| Jay | Populated Place | 78 | Santa Rosa | 30 57 11 N | 087 09 05 W |
| Jay Airport | Airport | 77 | Santa Rosa | 30 57 21 N | 087 07 49 W |
| Jay Elementary School | School | 76 | Santa Rosa | 30 56 31 N | 087 09 28 W |
| Jay High School | School | 75 | Santa Rosa | 30 56 26 N | 087 09 25 W |
| Jay Hospital | Hospital | 76 | Santa Rosa | 30 57 15 N | 087 08 51 W |
| Jay Jay | Populated Place | 1 | Brevard | 28 38 45 N | 080 49 11 W |
| Jaycee Park | Park | 2 | Miami-Dade | 25 54 22 N | 080 09 57 W |
| Jaycee Park | Park | 3 | Miami-Dade | 25 42 41 N | 080 16 37 W |
| Jayme Fontanels Grant | Civil | 28 | Escambia | 30 28 07 N | 087 13 33 W |
| Jays Learning Center | Building | | Miami-Dade | 25 49 32 N | 080 12 52 W |
| Jean's Kiddie Kollege | Building | | Miami-Dade | 25 55 35 N | 080 13 60 W |
| Jeanne Zuckerman School | School | 3 | Miami-Dade | 25 39 31 N | 080 18 55 W |
| Jeans Kiddie Kollege | School | 2 | Miami-Dade | 25 55 36 N | 080 15 49 W |
| Jeb Estates Park | Park | 1 | Miami-Dade | 25 54 27 N | 080 13 39 W |
| Jeb Knight Pond | Lake | 26 | Gilchrist | 29 38 35 N | 082 43 06 W |
| Jefferson Academy | School | 20 | Pinellas | 27 55 46 N | 082 46 59 W |
| Jefferson County | Civil | 47 | Jefferson | 30 25 01 N | 083 53 45 W |
| Jefferson County Adult Center | School | 62 | Jefferson | 30 32 46 N | 083 52 30 W |
| Jefferson County Elementary School-Mamie Scott Annex | School | 63 | Jefferson | 30 32 31 N | 083 51 55 W |
| Jefferson County High School | School | 64 | Jefferson | 30 32 41 N | 083 51 56 W |
| Jefferson Davis Adult School | School | | Palm Beach | 26 39 15 N | 080 06 16 W |
| Jefferson Davis Junior High School | School | 17 | Duval | 30 15 17 N | 081 45 41 W |
| Jefferson Davis Middle School | School | 4 | Palm Beach | 26 39 15 N | 080 06 12 W |
| Jefferson High School | School | 11 | Hillsborough | 27 58 05 N | 082 27 47 W |
| Jefferson Individualized School | School | 15 | Leon | 30 24 54 N | 084 18 40 W |
| Jefferson Landings Airport | Airport | 42 | Jefferson | 30 35 05 N | 083 42 28 W |
| Jefferson Park | Park | 1 | Broward | 26 00 25 N | 080 08 16 W |
| Jefferson Senior High School | School | 4 | Hillsborough | 27 57 14 N | 082 31 12 W |
| Jefferson Super Center | Locale | 24 | Pasco | 28 22 11 N | 082 11 54 W |
| Jeffersons Plaza | Locale | 4 | St. Lucie | 27 25 19 N | 080 19 38 W |
| Jeffs Cowpen Creek | Stream | | Manatee | 27 28 50 N | 082 30 37 W |
| Jehovah Lutheran School | School | 38 | Escambia | 30 27 06 N | 087 12 47 W |
| Jehovah Witness Kingdom Hall | Church | 3 | Broward | 26 08 06 N | 080 07 29 W |
| Jehovah Witness Kingdom Hall | Church | 15 | Hillsborough | 28 00 26 N | 082 27 04 W |
| Jehovah's Witness Church | Church | 59 | Leon | 30 28 16 N | 084 18 15 W |
| Jehovah's Witness Spanish Congregation Church | Church | 1 | Collier | 26 08 46 N | 081 47 31 W |
| Jehovahs Witnesses Cape Coral Congregation | Church | 0 | Lee | 26 34 41 N | 081 58 09 W |
| Jehovahs Witnesses Church | Church | 4 | Duval | 30 18 06 N | 081 24 24 W |
| Jehovahs Witnesses Church | Church | 15 | Leon | 30 22 34 N | 084 16 10 W |
| Jehovahs Witnesses Church | Church | 37 | Marion | 29 10 46 N | 082 08 19 W |
| Jehovahs Witnesses Church | Church | 0 | Monroe | 25 05 11 N | 080 26 09 W |
| Jehovahs Witnesses Kingdom Hall | Church | 31 | Orange | 28 32 41 N | 081 23 34 W |
| Jehovahs Witnesses Lake Worth Congregation | Church | 3 | Palm Beach | 26 37 26 N | 080 03 09 W |
| Jehu Cemetery | Cemetery | 10 | Gulf | 30 07 50 N | 085 11 51 W |
| Jena | Populated Place | 4 | Dixie | 29 39 49 N | 083 22 12 W |
| Jena School | School | 3 | Dixie | 29 39 09 N | 083 21 18 W |
| Jena Wildlife Management Area | Park | 1 | Dixie | 29 33 42 N | 083 23 30 W |
| Jenada Isles | Populated Place | 1 | Broward | 26 09 48 N | 080 09 26 W |
| Jenerson Point | Cape | 11 | Putnam | 29 25 00 N | 081 39 01 W |
| Jenkins Bay | Swamp | 20 | Holmes | 30 44 40 N | 085 57 14 W |
| Jenkins Creek | Stream | | Hernando | 28 31 47 N | 082 39 06 W |
| Jenkins Creek | Stream | | Jackson | 30 35 04 N | 084 59 30 W |
| Jenkins Key | Island | 0 | Collier | 25 48 45 N | 081 26 40 W |
| Jenkins Point | Cape | 0 | Martin | 27 12 19 N | 080 16 32 W |
| Jenkins Pond | Lake | 28 | Jackson | 30 50 43 N | 085 20 25 W |
| Jenkins Pond | Lake | 7 | Volusia | 28 51 56 N | 081 13 22 W |
| Jenkins Pond | Swamp | 56 | Jackson | 30 46 41 N | 085 17 22 W |
| Jennings | Populated Place | 43 | Hamilton | 30 36 15 N | 083 05 53 W |
| Jennings Camp | Locale | 25 | Polk | 28 00 17 N | 081 31 19 W |
| Jennings Cove | Bay | 0 | St. Lucie | 27 26 53 N | 080 17 31 W |
| Jennings Lake | Lake | 5 | Dixie | 29 34 20 N | 082 58 34 W |
| Jennings Lake | Lake | 13 | Gilchrist | 29 40 08 N | 082 50 21 W |
| Jennings Lake Church | Church | 17 | Gilchrist | 29 40 07 N | 082 50 34 W |
| Jennings Park | Park | 2 | Duval | 30 22 13 N | 081 38 27 W |
| Jennings State Forest | Forest | 24 | Clay | 30 09 24 N | 081 52 09 W |
| Jensen Beach | Populated Place | 2 | Martin | 27 15 16 N | 080 13 47 W |
| Jensen Beach Elementary School | School | 3 | Martin | 27 14 06 N | 080 14 05 W |
| Jensen Beach Park | Park | 1 | St. Lucie | 27 15 15 N | 080 11 46 W |
| Jensen Beach Plaza | Locale | 3 | Martin | 27 14 07 N | 080 14 07 W |
| Jensen Beach to Jupiter Inlet Aquatic Preserve | Park | 4 | St. Lucie | 27 24 20 N | 080 19 09 W |
| Jensen Place | Populated Place | 25 | Liberty | 30 13 49 N | 084 55 37 W |
| Jerdon Tyner Slough | Gut | 20 | Osceola | 27 55 07 N | 081 05 22 W |
| Jere L Stambaugh Senior Middle School | School | 51 | Polk | 28 04 14 N | 081 47 15 W |
| Jergans Lake | Lake | 38 | Putnam | 29 39 38 N | 082 02 14 W |
| Jericho Pond | Lake | 25 | Jackson | 30 53 39 N | 085 12 39 W |
| Jernigan Dead River | Lake | 12 | Escambia | 30 58 56 N | 087 11 44 W |
| Jernigan Lake | Lake | 10 | Santa Rosa | 30 35 52 N | 087 12 34 W |
| Jernigans Pond | Swamp | 18 | Okeechobee | 27 22 54 N | 080 43 56 W |
| Jerome | Populated Place | 3 | Collier | 25 59 50 N | 081 20 48 W |
| Jerry Bay | Swamp | 43 | Columbia | 30 16 29 N | 082 33 50 W |
| Jerry Branch | Stream | | Hamilton | 30 21 52 N | 082 52 15 W |
| Jerry Branch | Stream | | Pinellas | 28 02 38 N | 082 45 21 W |
| Jerry Lake | Lake | 13 | Pinellas | 28 00 32 N | 082 45 25 W |
| Jerry Landing | Locale | 0 | Nassau | 30 36 05 N | 081 34 06 W |
| Jerry Pond | Swamp | 21 | Hillsborough | 27 50 46 N | 082 17 56 W |
| Jerry Thomas Elementary School | School | 3 | Palm Beach | 26 55 37 N | 080 07 31 W |
| Jersey Islands | Island | 6 | Gulf | 30 03 34 N | 085 18 36 W |
| Jerusalem Baptist Church | Church | 27 | Marion | 29 09 11 N | 082 16 09 W |
| Jerusalem Cemetery | Cemetery | 24 | Jackson | 30 41 37 N | 085 12 45 W |
| Jerusalem Church | Church | 25 | Columbia | 30 01 15 N | 082 42 51 W |
| Jerusalem Church | Church | 46 | Columbia | 30 13 41 N | 082 42 03 W |