Restaurants (Starting with O) (Canada)
- Old Szechuan Taste
- Old Xian's Noodle House 老西安
- OLDE DUBLIN PUB
- Olde Village Bistro
- Olde Village Free House
- Ole Gourmet
- Oli's Burgers N Wings
- Oliva Nera
- Olive + Ruby Cafe
- Olive and Lemon
- Olive Chicken
- Olive Kebab Restaurant
- Olive R Twist
- Olive Tree
- Olive Tree Delicafe
- Oliveiros Sandwich Spot Ltd
- Oliver Cafe
- Oliver's Restaurant
- Olivia's Oils & Vinegars
- Olivo Pasta
- Ollia Macarons & Tea
- Olly Fresco's
- Olympia Diner
- Olympia Grill
- Olympia Pizza
- OM Restaurant and Bar
- Omakase
- OMB Foods
- Ombre Social House
- Ombretta Cucina + Vino
- Omega Cafe
- Omega Pizza & Wings
- Omei Restaurant
- Omg Ktv
- OMG Oh My Gyro
- Omni Eatery
- Omni Java Cafe
- Omni Palace
- Omni Palace Noodle House and Grill
- Omnitsky Kosher
- Omnivore
- OMO Teppan and Kitchen
- Omy Chicken
- Omzzy Shawarma
- On A Bun
- On A Bun Italian Sandwiches
- On a Roll Sushi & Sliders
- On On Wonton House
- On The Rocks
- On The Rocks Pub & Grill
- Once Upon A Bite
- Once upon A Thai Restaurant
- One Bowl
- One Great City Brewing Co.
- One More Sushi
- One More Tea
- One More Thai
- One Noodle Bistro
- One On Breakfast
- One Pear Cafe
- 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