I
- (Clarke County) Island of North Boston (historical)
- (Choctaw County) Island Creek
- (Clay County) Island
- (Chambers County) Idylwide
- (Chilton County) Islington
- (Clay County) Ironstone
- (Ashley County) Interlaken
- (Choctaw County) Inner Seal Rock
- (Baxter County) Inner Mayo Ledge
- (Baxter County) Inner Church Ledge
- (Baxter County) Inland Park
- (Campbell County) Ingleside
- (Baxter County) Inez Rock
- (Choctaw County) Indian Shore
- (Campbell County) Indian Orchard
- (Bibb County) Indian Lands
- (Ashley County) Indian Lake Estates
- (Choctaw County) Indian Heights
- (Baxter County) Idlewood
- (Chilton County) Idlewell
- (Blount County) Ipswich