Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Lake Villars | Lake | 0 | Ascension | 30 19 12 N | 090 51 08 W |
| Lake Vista Nature Preserve | Park | 22 | Washington | 30 47 37 N | 089 50 23 W |
| Lake Vista Park (historical) | Park | 2 | Orleans | 30 01 47 N | 090 05 27 W |
| Lake Washa | Lake | 7 | Terrebonne | 29 18 09 N | 090 59 54 W |
| Lake Washington | Lake | 0 | Plaquemines | 29 23 14 N | 089 44 01 W |
| Lake Washington Oil and Gas Field | Oilfield | 1 | Plaquemines | 29 23 20 N | 089 46 50 W |
| Lake Wilson | Lake | 19 | Avoyelles | 30 56 33 N | 092 10 49 W |
| Lake Zion Church | Church | 53 | Caddo | 32 44 47 N | 093 52 59 W |
| Lakecrest (subdivision) | Populated Place | 9 | East Baton Rouge | 30 25 29 N | 091 10 11 W |
| Lakefield | Populated Place | 48 | Jackson | 32 16 47 N | 092 45 18 W |
| Lakefront Airport | Airport | 1 | Orleans | 30 02 32 N | 090 01 41 W |
| Lakefront Arena | Locale | -2 | Orleans | 30 01 48 N | 090 01 02 W |
| Lakeland | Populated Place | 9 | Pointe Coupee | 30 36 03 N | 091 23 50 W |
| Lakeland Elementary School | School | 11 | Pointe Coupee | 30 36 01 N | 091 23 30 W |
| Lakeland Farm Lake | Reservoir | 91 | Caddo | 32 21 52 N | 094 01 28 W |
| Lakeland Gardens | Populated Place | 43 | Ouachita | 32 32 43 N | 092 13 00 W |
| Lakeland Post Office | Post Office | 7 | Pointe Coupee | 30 36 04 N | 091 24 16 W |
| Lakeland Terrace | Populated Place | 10 | East Baton Rouge | 30 21 19 N | 091 04 54 W |
| Lakes of Bayou Marron | Lake | 4 | La Salle | 29 59 47 N | 089 29 14 W |
| Lakeshore | Populated Place | 24 | Ouachita | 32 32 07 N | 092 01 46 W |
| Lakeshore Baptist Church | Church | 24 | Ouachita | 32 31 48 N | 092 02 30 W |
| Lakeshore East (subdivision) | Populated Place | 0 | Orleans | 30 01 26 N | 090 06 08 W |
| Lakeshore Elementary School | School | 25 | Ouachita | 32 32 05 N | 092 02 19 W |
| Lakeshore North | Populated Place | 59 | Caddo | 32 32 14 N | 093 54 06 W |
| Lakeshore Park (historical) | Park | 1 | Orleans | 30 01 40 N | 090 06 05 W |
| Lakeshore Playground | Park | -2 | Jefferson | 30 00 46 N | 090 07 53 W |
| Lakeshore Shopping Center | Locale | 71 | Caddo | 32 29 33 N | 093 47 53 W |
| Lakeshore Shopping Center | Locale | 24 | Ouachita | 32 31 55 N | 092 01 51 W |
| Lakeshore West (subdivision) | Populated Place | 1 | Orleans | 30 01 26 N | 090 06 35 W |
| Lakeside | Populated Place | 10 | East Baton Rouge | 30 21 45 N | 091 06 06 W |
| Lakeside Acres (subdivision) | Populated Place | 62 | Caddo | 32 30 33 N | 093 47 25 W |
| Lakeside Baptist Church | Church | -1 | Jefferson | 30 00 14 N | 090 08 52 W |
| Lakeside Baptist Church | Church | 30 | Rapides | 31 19 08 N | 092 25 10 W |
| Lakeside Branch Library | Building | 65 | Caddo | 32 30 14 N | 093 46 19 W |
| Lakeside Church | Church | 64 | Sabine | 31 20 59 N | 093 36 31 W |
| Lakeside Church | Church | 29 | West Carroll | 32 51 27 N | 091 31 35 W |
| Lakeside Church of the Nazarene | Church | 28 | Rapides | 31 19 02 N | 092 25 10 W |
| Lakeside Golf and Country Club (historical) | Locale | 16 | Ouachita | 32 32 09 N | 092 07 33 W |
| Lakeside Hospital | Hospital | -1 | Jefferson | 29 59 48 N | 090 11 12 W |
| Lakeside Oil and Gas Field | Oilfield | 0 | Cameron | 29 59 44 N | 092 49 01 W |
| Lakeside Park | Park | 56 | Caddo | 32 30 21 N | 093 46 41 W |
| Lakeside Pentecostal Church | Church | 30 | Rapides | 31 18 60 N | 092 25 21 W |
| Lakeside Plaza Shopping Center | Locale | -1 | Jefferson | 30 00 36 N | 090 09 25 W |
| Lakeside Recreation Center | Park | 68 | Caddo | 32 30 18 N | 093 46 33 W |
| Lakeside School | School | 32 | Rapides | 31 18 38 N | 092 25 11 W |
| Lakeside Shopping Center | Locale | -1 | Jefferson | 30 00 21 N | 090 09 26 W |
| Lakeview | Populated Place | 55 | Caddo | 32 31 24 N | 093 49 46 W |
| Lakeview | Populated Place | 32 | Natchitoches | 31 34 43 N | 092 57 10 W |
| Lakeview | Populated Place | -1 | Orleans | 30 00 17 N | 090 06 29 W |
| Lakeview Baptist Church | Church | 61 | Caddo | 32 31 34 N | 093 49 57 W |
| Lakeview Baptist Church | Church | -2 | Orleans | 30 00 05 N | 090 06 31 W |
| Lakeview Church | Church | 61 | Caddo | 32 29 45 N | 093 49 30 W |
| Lakeview Estates (subdivision) | Populated Place | 13 | East Baton Rouge | 30 26 59 N | 091 01 15 W |
| Lakeview Park | Park | 54 | Caddo | 32 32 51 N | 093 51 49 W |
| Lakeview Park | Park | 14 | Evangeline | 30 32 35 N | 092 25 30 W |
| Lakeview Park | Populated Place | 24 | Ouachita | 32 33 32 N | 092 00 52 W |
| Lakeview Plantation | Locale | 63 | East Feliciana | 30 52 21 N | 091 07 45 W |
| Lakeview Presbyterian Church | Church | -1 | Orleans | 29 59 52 N | 090 06 33 W |
| Lakeview School | School | -1 | Orleans | 29 59 55 N | 090 06 47 W |
| Lakeview United Methodist Church | Church | 76 | Webster | 32 37 54 N | 093 17 02 W |
| Lakewood (historical) | Populated Place | 13 | Tangipahoa | 30 29 45 N | 090 29 45 W |
| Lakewood (subdivision) | Populated Place | 4 | St. Tammany | 30 16 56 N | 089 45 33 W |
| Lakewood Cemetery | Cemetery | 21 | Tensas | 31 57 13 N | 091 13 56 W |
| Lakewood Church | Church | 19 | Tensas | 31 57 14 N | 091 12 58 W |
| Lakewood Country Club | Locale | -1 | Orleans | 29 54 53 N | 090 00 25 W |
| Lakewood Country Club Estates | Populated Place | -1 | Orleans | 29 54 11 N | 090 00 23 W |
| Lakewood Elementary School | School | 1 | St. Charles | 29 54 02 N | 090 20 53 W |
| Lakewood Estates | Populated Place | 30 | Ouachita | 32 33 45 N | 091 59 11 W |
| Lakewood Estates (subdivision) | Populated Place | 74 | Webster | 33 00 22 N | 093 26 29 W |
| Lakewood Hospital | Hospital | 1 | St. Mary | 29 42 29 N | 091 12 04 W |
| Lakewood Hospital Heliport | Airport | 1 | St. Mary | 29 42 20 N | 091 12 09 W |
| Lakewood Plantation | Locale | 20 | Tensas | 31 57 46 N | 091 12 48 W |
| Lakewood Plaza Shopping Center | Locale | -2 | Orleans | 30 03 05 N | 089 57 58 W |
| Lakewood School (historical) | School | 22 | Tensas | 31 57 13 N | 091 13 57 W |
| Lakewood Shopping Center | Locale | 4 | St. Tammany | 30 17 04 N | 089 45 58 W |
| Lakewood Village Mobile Home Park | Populated Place | 57 | Caddo | 32 25 06 N | 093 45 39 W |
| Lallie Kemp Hospital | Hospital | 24 | Tangipahoa | 30 37 21 N | 090 29 52 W |
| Lallie Kemp Regional Medical Center Heliport | Airport | 24 | Tangipahoa | 30 37 21 N | 090 29 52 W |
| Lamar | Populated Place | 28 | Franklin | 32 18 39 N | 091 32 25 W |
| Lamar Church | Church | 28 | Franklin | 32 19 12 N | 091 32 34 W |
| Lamar Oil | Oilfield | 27 | Franklin | 32 20 19 N | 091 31 43 W |
| Lamar Oil Field | Oilfield | 26 | Franklin | 32 20 19 N | 091 34 24 W |
| Lamaux Ranch | Locale | 57 | Tangipahoa | 30 41 38 N | 090 16 40 W |
| Lamb Canal | Canal | -2 | Orleans | 30 01 43 N | 090 01 00 W |
| Lambert Bayou | Stream | | Cameron | 29 51 18 N | 093 13 05 W |
| Lambert Cemetery | Cemetery | 18 | Concordia | 31 31 47 N | 091 31 39 W |
| Lambert Cemetery | Cemetery | 82 | St. Helena | 30 55 08 N | 090 34 47 W |
| Lambert Lake | Lake | 0 | Cameron | 29 50 57 N | 093 14 03 W |
| Lambert Ridge | Ridge | 2 | Vermilion | 29 39 08 N | 092 24 50 W |
| Lambert School (historical) | School | 46 | Natchitoches | 31 43 05 N | 093 20 03 W |
| Lamkin | Populated Place | 25 | Ouachita | 32 34 58 N | 092 04 22 W |
| Lamkin Pond | Lake | 71 | Jackson | 32 23 42 N | 092 35 20 W |
| Lamothe Bridge | Bridge | 23 | Rapides | 31 18 44 N | 092 36 57 W |
| Lamotte Creek | Stream | | Rapides | 31 16 18 N | 092 36 55 W |
| Lamourie | Populated Place | 21 | Rapides | 31 07 55 N | 092 24 42 W |
| Lamourie Church | Church | 22 | Rapides | 31 08 22 N | 092 25 25 W |
| Lamourie High School (historical) | School | 22 | Rapides | 31 08 26 N | 092 25 25 W |
| Lamourie Ward Two | Civil | 21 | Rapides | 31 11 18 N | 092 23 37 W |
| Lampton Ranch (historical) | Locale | 32 | Washington | 30 55 35 N | 089 46 59 W |
| Lanaux Canal | Canal | 0 | St. Charles | 29 55 34 N | 090 17 04 W |
| Lanaux Canal | Canal | 0 | St. Charles | 29 53 08 N | 090 15 49 W |
| Lanaux Island | Island | 0 | Plaquemines | 29 16 33 N | 089 38 45 W |
| Land O'Lakes (subdivision) | Populated Place | 13 | East Baton Rouge | 30 25 43 N | 091 05 15 W |
| Landen L Alexander Park | Park | 7 | West Baton Rouge | 30 23 25 N | 091 15 14 W |
| Landerneau Cemetery | Cemetery | 20 | Caldwell | 32 16 28 N | 091 59 42 W |
| Landerneau Landing | Locale | 16 | Caldwell | 32 16 31 N | 091 59 37 W |
| Landis Memorial Park | Park | 21 | Franklin | 32 10 12 N | 091 43 15 W |
| Landry | Populated Place | 2 | St. Mary | 29 52 10 N | 091 39 55 W |
| Landry (historical) | Populated Place | 10 | Lafayette | 30 11 11 N | 091 59 30 W |
| Landry Bay | Bay | 15 | Lafourche | 29 11 15 N | 090 16 13 W |