Florida cities starting with O
- Oakland, FL 7
- Oakland Park, FL 19
- O'Brien, FL 5
- Ocala, FL 221
- Ocklawaha, FL 5
- Ocoee, FL 36
- Odessa, FL 13
- Okeechobee, FL 45
- Old Town, FL 5
- Ona, FL 5
- Opa-locka, FL 15
- Opa Locka, FL 6
- Orange City, FL 17
- Orange Park, FL 76
- Orlando, FL 526
- Ormond Beach, FL 40
- Osprey, FL 5
- Osteen, FL 5
- Oviedo, FL 44
- Oxford, FL 10