Restaurants (Starting with O) (United Kingdom)
- O Ke Kai
- O'Oliviero
- Oaka at The Mansion House
- Oaka Supercity - George Street
- Oaks
- Obsession Of India Glasgow
- Ocean Blue
- Ocean Fish & Pizza
- Ocean Fish Bar
- Ocean Fresh Fish and Chips
- Ocean Treasure
- Off Licence Cardiff
- Oh Calcutta
- Oh Fudge
- Oh So Creamy
- Ohisama Sushi
- OHM Sheffield
- Oink Hog Roast
- Oishi-Q
- Ola Kala
- Old Chang Kee
- Olivelli Waterloo
- Oliver's - Ecclesall Road
- Olivitta
- Olly Bongo's
- One More Chinese Takeaway
- One Stop Food Beer and Wine
- Onje
- Only Eggless
- Only Eggless Cakes
- Oodles Chinese
- Oodles N' Oodles Star City
- Oozing Dough
- Opa Meze Restaurant
- Oranaise Cafe
- Orange Palace
- Organic Deli Cafe
- Oriental City Chinese
- Oriental Express
- Oriento
- Original Patty Men
- Orlando's Yellow Bird
- Oro Restaurant
- Ostro peri peri
- Out Fry
- Oxley Fish And Kebab
- Ozmoz
- Ozmoz Peri Peri Shak
- Change country:
- Argentina
- Australia
- Bangladesh
- Belgium
- Belize
- Bolivia, Plurinational State of
- Brazil
- Canada
- Chile
- Colombia
- Costa Rica
- Czech Republic
- Dominican Republic
- Ecuador
- Egypt
- El Salvador
- France
- Guatemala
- Honduras
- Hong Kong
- India
- Ireland
- Italy
- Japan
- Kenya
- Korea, Republic of
- Mexico
- Netherlands
- New Zealand
- Panama
- Peru
- Poland
- Portugal
- Puerto Rico
- Romania
- Saudi Arabia
- South Africa
- Spain
- Sri Lanka
- Sweden
- Switzerland
- Taiwan, Province of China
- Ukraine
- United Arab Emirates
- United Kingdom
- United States
- Uruguay