- Island 526
- Ivy
- Indian Grove
- Iberia
- Ironton
- Imperial
- Ionia
- Irondale
- Idlewild
- Iron Center
- Indian Hill Island
- Ipley
- Iatan
- Independence
- Indian Point
- Innsbrook
- Irena
- Iron Gates
- Iron Mountain Lake
- Indian Mound
- Ingram Ridge
- Island Number 14
- Island Number 18
- Island Number 461
- Island City
- Ilasco
- Island Number 508
- Iconium
- Iuka Springs
- Indian Village