- J and J Mobile Home Park
- J and K Mobile Park
- J and L Mobile Home Park
- Jack
- Jack Island
- Jack Island
- Jacks Point Island
- Jackson
- Jackson Island
- Jackson Landing
- Jackson Park
- Jackson Place
- Jaco Mobile Home Park
- Jacoby
- James Daigle Mobile Home Park
- James Mobile Home Park
- Jamestown
- Janie
- Japan Island
- Jaquines Island
- Jarreau
- Jay
- Jayhawkers Island
- Jean Lafitte
- Jeanerette
- Jefferson
- Jefferson Heights
- Jefferson Island
- Jena
- Jenkins