Restaurants (Starting with O) (Canada)
- Oriental House
- Oriental House Dining Lounge
- Oriental Pearl
- Oriental Pearl Chinese Food - Winnipeg
- Oriental Rice Noodle House
- Oriental Taste*
- Oriental Thai Chinese Food
- Origin
- Original Bubba's
- Original Joe's
- Original Joe's 20
- Original Joe's Macleod Trail
- Original Joe's Restaurant and Bar
- Original Joes #34
- Original Pancake House
- Original Peddlers Restaurant
- Original Pho Eatery
- Original Shawarma
- Original Tandoori Kitchen
- Original Taste
- Oriole Cafe
- Orleans Crispy Chicken
- Orso Pub & Grill
- Oruma Indian Take Out and Bakers
- Osaka Hibachi
- Osaka Island
- Osaka Sushi
- Osaka Sushi Japanese Korean Restaurant
- Oscar Coffee & Espresso Bar
- Oscar's Family Restaurant and Pizzeria
- Oscar's Roadhouse
- Oshawa Thai Cuisine
- Oshima Sushi
- Osmow's
- Osmow's Upper James
- Osteria Da Elda
- Osteria Savio Volpe
- Otaru Japanese Kitchen
- Ottavio
- Ottavio Bakery & Italian Delicatessen
- Ottawa Greek
- Ottawa Kabab
- Ottawa Pizza 2 For 1
- Ottawa Sandwich
- Ottawa Valley Meats
- Ottawazine Buy
- Otto Yakitori Izakaya
- Otto's Berlin Döner
- Our Place Indian Restaurant
- Our Spot
- Out Front Food 出前食品
- Outpost Mini Donut Company
- Outrigger
- OUZERI
- Oven 360 Grand Marais
- Oven Fresh
- Oven360
- Overtime Bar And Grill
- Owens Landing
- Owl of Minerva
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