Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Comite Baptist Church | Church | 14 | East Baton Rouge | 30 29 27 N | 091 02 43 W |
| Comite Christian Academy | School | 15 | East Baton Rouge | 30 29 57 N | 091 02 53 W |
| Comite Church | Church | 15 | East Baton Rouge | 30 29 58 N | 091 02 48 W |
| Comite Creek | Stream | 59 | East Feliciana | 30 54 01 N | 091 03 38 W |
| Comite Estates | Populated Place | 16 | East Baton Rouge | 30 31 35 N | 091 05 58 W |
| Comite Hills | Populated Place | 17 | East Baton Rouge | 30 31 04 N | 091 03 00 W |
| Comite Hills West | Populated Place | 18 | East Baton Rouge | 30 30 51 N | 091 03 44 W |
| Comite River | Stream | | East Baton Rouge | 30 28 02 N | 090 59 21 W |
| Comite River Park | Park | 15 | East Baton Rouge | 30 31 48 N | 091 05 43 W |
| Commerce Center Shopping Center | Locale | 0 | Jefferson | 29 59 28 N | 090 14 29 W |
| Commercial Canal | Canal | 5 | Iberia | 29 58 09 N | 091 50 12 W |
| Commissary Point | Cape | -2 | Cameron | 29 58 18 N | 093 16 30 W |
| Community Baptist Church | Church | 63 | Caddo | 32 25 53 N | 093 44 55 W |
| Community Baptist Church | Church | 17 | East Baton Rouge | 30 27 17 N | 091 09 02 W |
| Community Baptist Church | Church | 49 | Ouachita | 32 31 08 N | 092 11 45 W |
| Community Baptist Church | Church | 25 | Rapides | 31 20 12 N | 092 30 27 W |
| Community Bible Church | Church | 14 | East Baton Rouge | 30 25 12 N | 091 06 02 W |
| Community Bible Church | Church | 19 | East Baton Rouge | 30 30 34 N | 091 10 27 W |
| Community Cemetery | Cemetery | 19 | Evangeline | 30 37 47 N | 092 24 09 W |
| Community Chapel | Church | 22 | Livingston | 30 34 57 N | 090 52 14 W |
| Community Christian Academy | School | 19 | East Baton Rouge | 30 30 34 N | 091 10 26 W |
| Community Christian Academy | School | 14 | Livingston | 30 29 21 N | 090 57 35 W |
| Community Church | Church | 33 | Calcasieu | 30 28 34 N | 093 27 16 W |
| Community Church | Church | 5 | St. Tammany | 30 20 36 N | 089 43 38 W |
| Community Church of God | Church | 8 | Lafayette | 30 11 32 N | 092 03 20 W |
| Community Missionary Baptist Church | Church | 2 | Jefferson | 29 58 21 N | 090 14 17 W |
| Como | Populated Place | 23 | Franklin | 32 05 56 N | 091 36 09 W |
| Como Bayou | Stream | | Morehouse | 32 33 44 N | 091 46 33 W |
| Como Bayou | Stream | | West Feliciana | 30 54 11 N | 091 31 28 W |
| Como Landing | Populated Place | 5 | West Feliciana | 30 54 23 N | 091 31 41 W |
| Company Canal | Canal | 7 | Lafourche | 29 39 45 N | 090 29 20 W |
| Company Canal | Canal | 2 | St. John the Baptist | 30 01 35 N | 090 31 05 W |
| Company Pond | Reservoir | 24 | Morehouse | 32 56 00 N | 092 00 37 W |
| Compressor Station 524 Heliport | Airport | 0 | Lafourche | 29 12 58 N | 090 12 57 W |
| Compressors Heliport | Airport | 1 | Lafourche | 29 04 34 N | 090 17 06 W |
| Compton Lake | Swamp | 23 | Madison | 32 18 12 N | 091 05 54 W |
| Compton Lake (historical) | Lake | 19 | Rapides | 31 10 53 N | 092 19 00 W |
| Compton Lake Canal | Canal | 19 | Rapides | 31 09 49 N | 092 19 30 W |
| Comrade | Populated Place | 78 | Vernon | 31 19 19 N | 092 57 52 W |
| Comrade Cemetery | Cemetery | 84 | Vernon | 31 19 45 N | 092 59 29 W |
| Comrade Church | Church | 70 | Vernon | 31 18 33 N | 092 56 18 W |
| Comrade Creek | Stream | | Vernon | 31 14 34 N | 092 49 44 W |
| Concession | Populated Place | 1 | Plaquemines | 29 49 52 N | 090 00 14 W |
| Concession Canal | Canal | 0 | Plaquemines | 29 50 49 N | 090 00 35 W |
| Concord | Populated Place | 68 | Jackson | 32 18 49 N | 092 29 41 W |
| Concord | Populated Place | 31 | West Carroll | 32 57 19 N | 091 26 48 W |
| Concord Canal | Canal | 7 | Plaquemines | 29 50 52 N | 090 00 59 W |
| Concord Cemetery | Cemetery | 55 | Jackson | 32 18 52 N | 092 28 21 W |
| Concord Church | Church | 66 | Jackson | 32 18 51 N | 092 29 23 W |
| Concord Church | Church | 47 | Morehouse | 32 58 59 N | 091 51 46 W |
| Concord Church | Church | 45 | Union | 32 53 36 N | 092 17 09 W |
| Concord Church | Church | 39 | West Carroll | 32 57 23 N | 091 26 46 W |
| Concord Church | Church | 78 | West Feliciana | 30 54 20 N | 091 14 13 W |
| Concord Estates (subdivision) | Populated Place | 8 | East Baton Rouge | 30 24 56 N | 091 07 57 W |
| Concord Lake | Lake | 27 | East Carroll | 32 43 11 N | 091 07 14 W |
| Concord Missionary Baptist Church | Church | 19 | East Baton Rouge | 30 31 06 N | 091 08 18 W |
| Concord Park (subdivision) | Populated Place | 9 | East Baton Rouge | 30 25 11 N | 091 08 14 W |
| Concord School | School | 69 | Webster | 32 34 46 N | 093 24 26 W |
| Concordia Lutheran Church | Church | 0 | Orleans | 29 57 28 N | 090 07 59 W |
| Concordia Lutheran School | School | 2 | Jefferson | 29 53 42 N | 090 07 19 W |
| Concordia Parish | Civil | 15 | Concordia | 31 28 01 N | 091 39 00 W |
| Concordia Parish Airport | Airport | 16 | Concordia | 31 34 01 N | 091 30 00 W |
| Concordia Parish Courthouse | Building | 18 | Concordia | 31 34 31 N | 091 27 28 W |
| Concordia Parish Library | Building | 17 | Concordia | 31 38 13 N | 091 33 12 W |
| Concordia Parish Trade School | School | 18 | Concordia | 31 39 09 N | 091 33 08 W |
| Concordia Shopping Center | Locale | 17 | Concordia | 31 34 20 N | 091 27 20 W |
| Concordia State Wildlife Management Area | Park | 16 | Concordia | 31 36 56 N | 091 37 39 W |
| Conerly Cemetery | Cemetery | 93 | Tangipahoa | 30 56 35 N | 090 23 47 W |
| Conerly Cemetery | Cemetery | 95 | Tangipahoa | 30 56 43 N | 090 23 50 W |
| Coney Bayou | Stream | | Red River | 32 02 22 N | 093 17 57 W |
| Confederate Memorial Hall | Building | 1 | Orleans | 29 56 36 N | 090 04 17 W |
| Conger Cemetery | Cemetery | 37 | Morehouse | 32 37 20 N | 091 48 10 W |
| Congetta Trippe Janet Elementary School | School | 1 | Jefferson | 29 50 58 N | 090 06 01 W |
| Congo Creek | Stream | | Richland | 32 29 39 N | 091 33 51 W |
| Congo Island | Island | 6 | Terrebonne | 29 28 28 N | 090 51 45 W |
| Congregation Anshe Sfard | Church | 1 | Orleans | 29 56 04 N | 090 04 54 W |
| Congregation Baptist Church | Church | -1 | Orleans | 29 58 28 N | 090 00 42 W |
| Congregation Chevra Thilim | Church | -1 | Orleans | 29 56 26 N | 090 06 16 W |
| Congregation Gates of Prayer | Church | 6 | Iberia | 30 00 15 N | 091 49 00 W |
| Congregation Gemiluth Chassodim Temple | Church | 24 | Rapides | 31 17 53 N | 092 27 17 W |
| Congress Street Wharf | Locale | 4 | Orleans | 29 57 39 N | 090 02 28 W |
| Conkey Cove | Bay | 2 | St. Bernard | 29 56 28 N | 089 15 09 W |
| Conkey Cove Pass | Channel | 3 | St. Bernard | 29 56 34 N | 089 16 04 W |
| Conn | Populated Place | 55 | Caddo | 32 35 26 N | 093 46 19 W |
| Connell Bayou | Stream | | Bossier | 32 35 12 N | 093 34 33 W |
| Connell Cemetery | Cemetery | 45 | West Feliciana | 30 49 49 N | 091 14 37 W |
| Connells (historical) | Populated Place | 72 | Webster | 32 45 44 N | 093 23 58 W |
| Connells Village Shopping Center | Locale | 15 | East Baton Rouge | 30 26 51 N | 091 05 36 W |
| Connely School (historical) | School | 45 | Bossier | 32 16 45 N | 093 27 34 W |
| Connerley Cemetery | Cemetery | 91 | Washington | 30 58 38 N | 090 16 10 W |
| Connor Creek | Stream | | Tangipahoa | 30 43 13 N | 090 28 59 W |
| Conocka Shoal (historical) | Bar | 3 | St. Bernard | 29 43 30 N | 088 53 29 W |
| Conoco Incorporated Heliport | Airport | 2 | Jefferson | 29 15 29 N | 089 57 49 W |
| Conoco Incorporated Venice Heliport | Airport | 1 | Plaquemines | 29 15 34 N | 089 21 18 W |
| Conrad Cemetery | Cemetery | 8 | East Baton Rouge | 30 21 17 N | 091 13 11 W |
| Conrad Playground | Park | -1 | Orleans | 29 58 14 N | 090 07 16 W |
| Constance Bayou | Stream | | Cameron | 29 36 37 N | 092 38 50 W |
| Constance Bayou Gas Field | Oilfield | 0 | Cameron | 29 38 20 N | 092 38 29 W |
| Constance Beach | Populated Place | 2 | Cameron | 29 45 34 N | 093 34 47 W |
| Constance Ditch | Canal | 1 | Cameron | 29 37 56 N | 092 40 30 W |
| Constantine Branch | Stream | | La Salle | 31 30 13 N | 092 14 35 W |
| Consuella (historical) | Populated Place | 20 | Tensas | 31 45 53 N | 091 26 06 W |
| Continental Lake Dam | Dam | 58 | Bienville | 32 19 01 N | 092 58 19 W |
| Continental Plaza Shopping Center | Locale | -2 | Jefferson | 30 00 19 N | 090 11 42 W |
| Contrariete Island | Island | 0 | Plaquemines | 29 16 02 N | 089 09 20 W |
| Contrariete Pass | Channel | 0 | Plaquemines | 29 16 03 N | 089 09 00 W |
| Contreras | Populated Place | 1 | St. Bernard | 29 51 56 N | 089 47 12 W |
| Convent | Populated Place | 6 | St. James | 30 01 15 N | 090 49 47 W |
| Convent Landing | Locale | 2 | St. James | 30 00 04 N | 090 49 38 W |
| Convent Landing | Locale | 1 | St. James | 30 00 47 N | 090 49 45 W |