O
- (Baxter County) Overbrook
- (Baxter County) Old Landing Woods
- (Baxter County) Old Mill Acres
- (Baxter County) Old Furnace
- (Arkansas County) Oak Forest Estates
- (Ashley County) Old Mill Manor
- (Baxter County) Omar
- (Arkansas County) Orchard Acres
- (Baxter County) Orchard Manor
- (Arkansas County) Otters Run
- (Baxter County) Overbrook Shores
- (Ashley County) Overlook Colony
- (Ashley County) Overview Gardens
- (Arkansas County) Oaknoll
- (Baxter County) Owens
- (Ashley County) Owls Nest
- (Baxter County) Oyster Rocks
- (Arkansas County) Oxyoke Mobile Home Park
- (Arkansas County) Oak Shadows
- (Baxter County) Old Landing
- (Baxter County) Oak Drive
- (Baxter County) Oak Forest Mobile Home Park
- (Arkansas County) Oak Grove
- (Baxter County) Oak Grove
- (Baxter County) Oak Hill
- (Ashley County) Oak Lane Manor
- (Baxter County) Oak Meadows Mobile Home Park
- (Baxter County) Oak Orchard
- (Baxter County) Oak Orchard West Mobile Home Park
- (Arkansas County) Oak Point Acres