Barrios de Tennessee O

• Oak Ridge (23)
• Oakhaven (19)
• Oakwood (5)
• Old City (4)
• Old North Knoxville (3)
• Old Sevier (4)
• Ooltewah-Summit (5)
• Orange Mound (27)
• Outer Bellevue (23)
• Outer Bristol (29)
• Outer Charlotte (5)
• Outer Donelson-Hermitage (114)
• Outer Northside (122)
• Outer Red Bank (7)
• Outer Southeast Nashville (190)