| O Sea D Charters | Business | -- | -- |
| O'quigley's Seafood Steamer & Oyster Sports Bar | Business | 34940 Emerald Coast Pkwy, Destin, 32541 | (850) 837-1015 |
| O'Reilly Auto Parts | Business | -- | (850) 689-4460 |
| Okaloosa County Clerk of Courts | Office | -- | 850-651-7200 |
| Okaloosa County Code Enforcement Board | Board | -- | -- |
| Okaloosa County Commission District 1 | District | -- | -- |
| Okaloosa County Commission District 2 | District | -- | -- |
| Okaloosa County Commission District 3 | District | -- | -- |
| Okaloosa County Commission District 4 | District | -- | -- |
| Okaloosa County Commission District 5 | District | -- | -- |
| Okaloosa County Council On Aging Inc | Nonprofit | 1B 9TH AVE, Shalimar, 32579 | -- |
| Okaloosa County Emergency Management | Agency | 90 College Boulevard East, Niceville, 32578 | 850-651-7150 |
| Okaloosa County Legislative Delegation | Board | -- | -- |
| Okaloosa County Local Mitigation Strategy Committee | Board | -- | -- |
| Okaloosa County Planning Commission | Board | -- | -- |
| Okaloosa County Property Appraiser | Office | -- | 850-651-7240 |
| Okaloosa County School District | School District | -- | 850-833-3100 |
| Okaloosa County Sheriff | Office | -- | -- |
| Okaloosa County Supervisor of Elections | Office | -- | 850-689-5600 |
| Okaloosa County Tax Collector | Office | -- | 850-651-7300 |
| Okaloosa County Tourist Development Council | Board | -- | -- |
| Okaloosa Gas District | District | -- | 850-729-4700 |
| Okaloosa Island Fire Control District | District | -- | (850) 244-5373 |
| Okaloosa Island Pier (The Island Pier) | Business | -- | -- |
| Okaloosa Online Non Franchised | School | 461 SCHOOL AVE, Crestview, 32536 | (850)689-7149 |
| Okaloosa Public Schools Foundation | Nonprofit | 202 HIGHWAY 85 N STE A, Niceville, 32578 | -- |
| Okaloosa Regional Detention | School | 4448 STRAIGHT LINE RD, Crestview, 32539 | (850)689-7177 |
| Okaloosa Stemm Center | School | 379 EDGE AVE, Valparaiso, 32580 | (850) 833-4120 |
| Okaloosa Technical College | School | 1976 LEWIS TURNER BLVD, Fort Walton Beach, 32547 | (850)833-3500 |
| Okaloosa Virtual Franchise | School | 310 PERRY AVENUE SE, Fort Walton Beach, 32548 | (850)833-3533 |
| Okaloosa Virtual Instruction Program | School | 120 LOWERY PL SE, Fort Walton Beach, 32548 | (850)833-3100 |
| Okaloosa Walton Homeless Continuum Of Care Opportunity Inc | Nonprofit | 906 MARWALT DRIVE UNIT G, Fort Walton Beach, 32547 | -- |
| Okaloosa Youth Academy | School | 4448 STRAIGHT LINE RD, Crestview, 32539 | (850)689-7177 |
| Okaloosa Yummies | Business | 29 D Miracle Strip Pkwy SW, 32548 | -- |
| Okaloosa Yummies (Okaloosa Donuts) | Business | -- | -- |
| Okaloosa-Walton Jobs And Education Partnership Inc | Nonprofit | 109 8TH AVE, Shalimar, 32579 | -- |
| Old Bay Steamer | Business | -- | (850) 664-2795 |
| Old Ebenezer Baptist Church Of Laurel Hill | Church | 3186 New Ebenezer Rd, Laurel Hill, 32567 | -- |
| Olin Marler Charter Boats | Business | -- | -- |
| Om Relaxation Spa - Destin | Business | 151 Regions Way Building 3 Suite 3C, 32541 | 850-737-3057 |
| Opportunity Place Inc | Nonprofit | 305 LOVEJOY RD NW, Fort Walton Beach, 32548 | -- |
| Order Of The Amaranth Inc Supreme Council 69 Silver Sands Ct | Nonprofit | 719 COMMANCHE ST, Fort Walton Beach, 32547 | -- |
| Original Crab Island | Business | 385 Harbor Blvd, Suite 205A, Destin, 32541 | 850) 783-0556 |
| Orphan To Heir | Nonprofit | 6101 STAFF RD, Crestview, 32536 | -- |
| Osaka Japanese Hibachi Steakhouse & Sushi Bar | Business | -- | (850) 650-4688 |
| Our Savior Evangelical Lutheran Church | Church | 178 W NORTH AVE, Crestview, 32536 | -- |
| Outback Steakhouse | Business | 34908 Emerald Coast Pkwy, 32541 | (850) 269-1936 |
| Painted Rose Salon | Business | -- | 850-613-6850 |