Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Jeter Branch | Stream | | Caddo | 32 40 33 N | 094 01 32 W |
| Jeters Landing | Locale | 51 | Caddo | 32 40 39 N | 094 02 23 W |
| Jewel B Sumner High School | School | 80 | Tangipahoa | 30 52 21 N | 090 28 00 W |
| Jewel Pierce Cemetery | Cemetery | 25 | St. Tammany | 30 39 43 N | 089 52 46 W |
| Jewell Street Baptist Church | Church | 76 | Caddo | 32 29 26 N | 093 46 39 W |
| Jewella (historical) | Populated Place | 73 | Caddo | 32 28 08 N | 093 48 23 W |
| Jewella Cemetery | Cemetery | 78 | Caddo | 32 28 23 N | 093 48 07 W |
| Jewella Methodist Church | Church | 70 | Caddo | 32 27 56 N | 093 48 20 W |
| Jewella Park | Park | 68 | Caddo | 32 28 28 N | 093 48 16 W |
| Jewish Cemetery | Cemetery | 10 | Lafayette | 30 13 08 N | 092 01 12 W |
| Jewish Cemetery | Cemetery | 1 | Orleans | 29 55 38 N | 090 06 57 W |
| Jewish Cemetery | Cemetery | 0 | Orleans | 29 58 46 N | 090 06 31 W |
| Jewish Cemetery | Cemetery | 26 | Rapides | 31 19 01 N | 092 26 24 W |
| Jewish Childrens Home | Building | 1 | Orleans | 29 55 39 N | 090 06 46 W |
| Jews Creek | Stream | | West Feliciana | 30 58 23 N | 091 11 23 W |
| Jews-harp Lake | Lake | 16 | Avoyelles | 30 58 41 N | 092 07 25 W |
| Jigger | Populated Place | 20 | Franklin | 32 02 06 N | 091 44 48 W |
| Jigger Apostolic Church | Church | 20 | Franklin | 32 02 05 N | 091 44 41 W |
| Jigger Church | Church | 21 | Franklin | 32 01 31 N | 091 44 58 W |
| Jigger Post Office | Post Office | 20 | Franklin | 32 02 06 N | 091 44 44 W |
| Jilks Branch | Stream | | Winn | 32 01 48 N | 092 53 13 W |
| Jim Bayou | Stream | | Ascension | 30 16 25 N | 090 59 52 W |
| Jim Bowie Museum | Building | 18 | St. Landry | 30 31 54 N | 092 04 26 W |
| Jim Burney Branch | Stream | | Beauregard | 30 41 35 N | 093 02 48 W |
| Jim Davis Cemetery | Cemetery | 56 | Webster | 32 33 52 N | 093 23 06 W |
| Jim Dowden Branch | Stream | | Natchitoches | 31 27 14 N | 093 05 51 W |
| Jim Lake | Lake | 5 | Iberville | 30 20 32 N | 091 35 44 W |
| Jim Nolan Brake | Swamp | 26 | Union | 32 44 30 N | 092 05 22 W |
| Jim Reed Bayou | Stream | | Tangipahoa | 30 19 01 N | 090 22 30 W |
| Jim River | Gut | 27 | Vernon | 31 00 25 N | 093 32 45 W |
| Jim Williams Canal | Canal | 0 | Plaquemines | 29 42 06 N | 089 55 47 W |
| Jim Young Lake | Swamp | 29 | Natchitoches | 31 34 29 N | 092 48 03 W |
| Jimmie Canal | Canal | 0 | Plaquemines | 29 31 38 N | 089 56 47 W |
| Jimmie Davis State Park | Park | 67 | Jackson | 32 14 49 N | 092 31 14 W |
| Jimmy Lake | Lake | 13 | Avoyelles | 31 17 31 N | 091 54 34 W |
| Jimmy Magee Park | Park | 0 | St. Mary | 29 43 06 N | 091 12 30 W |
| Jimmy Major Lake Dam | Dam | 63 | East Feliciana | 30 50 43 N | 091 03 30 W |
| Jimmy Swaggart Bible College | School | 8 | East Baton Rouge | 30 23 10 N | 091 05 43 W |
| Jimmy Swaggart Ministeries | Locale | 8 | East Baton Rouge | 30 23 06 N | 091 05 32 W |
| Jims Bayou | Stream | | St. Landry | 30 49 04 N | 091 56 44 W |
| Jims Branch | Stream | | Washington | 30 56 31 N | 089 56 06 W |
| Jims Island | Island | 38 | Natchitoches | 31 54 50 N | 093 22 18 W |
| Jims Ridge | Island | 0 | Cameron | 29 59 15 N | 092 56 40 W |
| Jims River | Stream | | Natchitoches | 31 54 32 N | 093 22 31 W |
| Jimson Creek School (historical) | School | 67 | Washington | 30 54 50 N | 090 07 53 W |
| Jo Ellen Smith Medical Center | Hospital | 1 | Orleans | 29 56 04 N | 090 00 25 W |
| Joe Aucoin Bayou | Gut | 0 | Iberia | 29 36 54 N | 091 50 50 W |
| Joe Bayou Boeuf River | Gut | 11 | Franklin | 32 04 48 N | 091 53 19 W |
| Joe Branch | Stream | | St. Tammany | 30 39 48 N | 090 10 49 W |
| Joe Brown Canal | Canal | 1 | Plaquemines | 29 46 12 N | 090 00 04 W |
| Joe Brown Pass | Gut | 0 | Plaquemines | 29 11 18 N | 089 10 06 W |
| Joe Brown Pond | Bay | -3 | Plaquemines | 29 11 40 N | 089 09 22 W |
| Joe Cooley Bay | Bay | 1 | Calcasieu | 30 22 45 N | 093 05 35 W |
| Joe Dennis Pond | Bay | -3 | Plaquemines | 29 13 06 N | 089 09 07 W |
| Joe Ed Creek | Stream | | Winn | 31 57 31 N | 092 24 39 W |
| Joe Edwards Creek | Stream | | Union | 32 48 01 N | 092 06 54 W |
| Joe Gravolet Canal | Canal | 0 | Plaquemines | 29 39 25 N | 089 56 09 W |
| Joe Island | Island | 1 | Vermilion | 29 49 42 N | 092 21 54 W |
| Joe Lake | Lake | 24 | Vernon | 31 00 30 N | 093 31 58 W |
| Joe Lake | Lake | 24 | Vernon | 30 57 47 N | 093 32 21 W |
| Joe McHugh Oil and Gas Field | Oilfield | 0 | Lafourche | 29 47 26 N | 090 29 55 W |
| Joe Mitchell Branch | Stream | | Winn | 31 46 11 N | 092 52 16 W |
| Joe Myhand Park | Park | 5 | West Baton Rouge | 30 20 57 N | 091 16 00 W |
| Joe Powell Landing | Locale | 16 | Caldwell | 32 11 46 N | 092 07 05 W |
| Joe Shiman Pass | Channel | 10 | St. Bernard | 29 49 18 N | 089 27 53 W |
| Joes Bay | Bay | 4 | Plaquemines | 29 08 48 N | 089 21 54 W |
| Joes Bayou | Stream | | Madison | 32 23 29 N | 091 28 38 W |
| Joes Branch | Stream | | Washington | 30 57 04 N | 089 56 05 W |
| Joes Island | Island | 21 | Ouachita | 32 28 13 N | 092 12 22 W |
| Joes Lagoon | Lake | 0 | St. Tammany | 30 11 24 N | 089 37 48 W |
| Joes Outside Pond | Gut | 0 | Plaquemines | 29 15 39 N | 089 09 26 W |
| Joes Pond | Bay | 3 | Plaquemines | 29 15 06 N | 089 10 13 W |
| John (historical) | Populated Place | 3 | Iberia | 30 03 08 N | 091 42 57 W |
| John A Shaw Elementary School | School | -1 | Orleans | 29 59 02 N | 090 03 07 W |
| John Bayou | Gut | 0 | Plaquemines | 29 31 31 N | 089 42 09 W |
| John Branch | Stream | | Tangipahoa | 30 34 27 N | 090 22 41 W |
| John Calvin Presbyterian Church | Church | 67 | Caddo | 32 23 44 N | 093 48 48 W |
| John Cane Bayou | Gut | 1 | St. Tammany | 30 11 28 N | 089 32 04 W |
| John Clancy Elementary School | School | -1 | Jefferson | 29 59 40 N | 090 13 57 W |
| John Curtis Christian High School | School | 2 | Jefferson | 29 57 50 N | 090 13 18 W |
| John Dibert Elementary School | School | 0 | Orleans | 29 58 54 N | 090 05 53 W |
| John Ehret High School | School | 0 | Jefferson | 29 52 55 N | 090 05 28 W |
| John F Kennedy Elementary School | School | 3 | Calcasieu | 30 12 45 N | 093 10 32 W |
| John F Kennedy High School | School | 0 | Orleans | 30 00 57 N | 090 05 10 W |
| John F Kennedy Senior High School | School | 0 | Orleans | 30 00 58 N | 090 05 11 W |
| John H Hooks Junior Memorial Airport | Airport | 24 | Richland | 32 29 11 N | 091 46 14 W |
| John H Martyn Transitional School | School | 1 | Jefferson | 29 58 01 N | 090 09 40 W |
| John Henry School (historical) | School | 2 | Acadia | 30 07 34 N | 092 35 25 W |
| John Higgins Landing | Locale | 15 | Caldwell | 32 04 21 N | 092 02 49 W |
| John Hough Landing | Locale | 21 | Caldwell | 32 03 48 N | 092 02 06 W |
| John James Audubon Elementary School | School | -2 | Jefferson | 30 01 08 N | 090 16 20 W |
| John Johnson Bayou | Channel | -3 | Plaquemines | 29 13 49 N | 089 14 00 W |
| John Johnson II Elementary School | School | 4 | Calcasieu | 30 13 53 N | 093 11 53 W |
| John Johnson Pass | Gut | 0 | Plaquemines | 29 14 06 N | 089 14 09 W |
| John Johnson Pond | Bay | 0 | Plaquemines | 29 14 10 N | 089 14 20 W |
| John Knox Presbyterian Church | Church | 49 | Bossier | 32 31 24 N | 093 41 49 W |
| John M Robinson Pond Dam | Dam | 56 | Webster | 32 25 55 N | 093 19 49 W |
| John P Lyons Memorial Center | Park | 3 | Orleans | 29 55 08 N | 090 05 14 W |
| John Palm Lake | Swamp | 26 | Madison | 32 25 58 N | 091 05 50 W |
| John Quincy Adams Middle School | School | -1 | Jefferson | 30 01 35 N | 090 12 34 W |
| John Sillars Landing | Locale | 14 | Caldwell | 32 05 06 N | 092 02 59 W |
| John the Fool Bayou | Gut | 0 | Jefferson | 29 27 38 N | 090 10 17 W |
| John W Hoffman Elementary School | School | 0 | Orleans | 29 56 43 N | 090 05 42 W |
| John Wesley United Methodist Church | Church | -1 | Orleans | 29 58 36 N | 090 02 06 W |
| Johnny Sartwell Memorial Park | Park | 11 | Livingston | 30 29 44 N | 090 45 20 W |
| Johnny Three Bayou | Gut | 0 | St. Tammany | 30 12 02 N | 089 36 12 W |
| Johns Bayou | Gut | 21 | Madison | 32 19 51 N | 091 16 02 W |
| Johns Bayou | Stream | | Catahoula | 31 23 11 N | 092 03 02 W |
| Johns Bayou | Stream | | St. Tammany | 30 24 57 N | 089 41 49 W |
| Johns Branch | Stream | | Washington | 30 55 15 N | 089 52 26 W |