- 5Open nowNU Caribbean100 Castlefrank Road #5, Kanata, Ottawa, ON K2L 2V6Restaurant
- 1.8Closed nowNuFortune Chinese RestaurantMulligan Centre, 2900 Woodroffe Avenue #7, Nepean, Ottawa, ON K2J 4G3Restaurant
- 4.2Open nowNUVO Mexican Food and Catering1481b Innes Road, Gloucester, Ottawa, ON K1B 4C4Restaurant
- 4.8Closed nowO'Grady's Outpost25 Tapiola Crescent, Ottawa, ON K1T 2J7Restaurant Bar
- 4.5Closed nowObsession Lounge1575 Saint Laurent Boulevard, Ottawa, ON K1GRestaurant Bar Night club
- 4.4Open nowOCCO Kitchen3018 Saint Joseph Boulevard, Orléans, Ottawa, ON K1E 1E1Restaurant
- 4.4Open nowOCCO Kitchen Innes4240 Innes Road, Orléans, Ottawa, ON K4A 5E6Restaurant
- 3.8Open nowOh Basil1910 Saint Laurent Boulevard, Ottawa, ON K1G 1A4Restaurant
- 4.2Open nowOh So Good Desserts25 York Street, Ottawa, ON K1N 9J6Restaurant Bar Cafe
- 3.8Open nowOLG Slots at Rideau Carleton Raceway4837 Albion Road, Gloucester, Ottawa, ON K1X 1A3Restaurant
- Ont Govt1570 Walkley Rd, Ottawa, ON K1V 6P5Restaurant
- Ont Govt Moh2300 Saint Laurent Boulevard, Ottawa, ON K1G 6C4Restaurant
- Oopa Greek Food Creations25 Tapiola Crescent, Ottawa, ON K1T 2J7Restaurant
- 4Open nowOpenRice Asian Fusion & Lounge1755 Saint Laurent Boulevard, Ottawa, ON K1G 3V4Restaurant
- Orleans1916 Merivale Road, Nepean, Ottawa, ON K2G 1E8Restaurant
- 4.6Open nowOrleans Shawarma385 Tompkins Avenue #7, Orléans, Ottawa, ON K1E 3H4Restaurant
- 4.2Open nowOrleans Shawarna Prince3848 Innes Road, Orléans, Ottawa, ON K1W 0C8Restaurant
- 4.6Open nowOttawa Delivery Sushi2430 Bank Street, Ottawa, ON K1V 0T7Restaurant
- 4.8Open nowOttawa Perogies1129 Baxter Road, Ottawa, ON K2C 1M1Restaurant
- 4.2Open nowOttawa shawarma250 Greenbank Road, Nepean, Ottawa, ON K2HRestaurant
- 5Open nowOx Head Restaurant790 Kanata Avenue, Kanata, Ottawa, ON K2K 3E9Restaurant
- 5Open nowOx Head Restaurant 24055 Carling Avenue, Kanata, Ottawa, ON K2K 2A4Restaurant
- 4.4Open nowOzzy Food Market3867 Albion Road, Gloucester, Ottawa, ON K1T 1B2Restaurant
- 5Closed nowPalermo's Pizzeria25 Tapiola Crescent, Ottawa, ON K1T 2J7Restaurant