Restaurants (Starting with O)
- O'Keefes Irish Pub & Restaurant
- O'Kellys Deli & Pastries
- O'Kims
- O'Lala Empanadas
- O'Leary's Irish Pub
- O'leary's Pub & Grub
- O'lima Signature Cuisine
- O'line Sports Grill
- O'Lordan's Irish Pub and Restaurant
- O'Lunney's
- O'Mai Grill
- O'Malley's Irish Pub
- O'Malley's Lounge
- O'Malley's Pub
- O'Malley's Pub & Eatery
- O'Malley's Pub & Restaurant
- O'Malley's Restaurant
- O'Malley's Sports Pub
- O'Malleys In the Alley
- O'Malleys on Main
- O'Mally's
- O'Manny's Mexican Restaurant
- O'Mara's Irish Pub
- O'Maras's Restaurant
- O'Mare's Irish Pub
- O'Neals Pub
- O'Neil's Sandwich & Coffee Bar
- O'Neil's Sandwich and Coffee Bar
- O'Neill's
- O'Neill's Grill
- O'Neill's Restaurant and Bar
- O'Neill's Stadium Inn
- O'Nelly's Sports Pub & Grill
- O'Rears Pastry Shop
- O'Reilly's Cure
- O'Reilly's Irish Bar & Restaurant
- O'Reilly's Irish Bar And Restaurant
- O'Reilly's Irish Pub
- O'Reilly's Pub & Grill
- O'Riley's Tavern
- O'Rileys Food & Spirits
- O'Rourkes Bar and Grill
- O'Ryans Sports Bar
- O'Ryleigh's Tavern
- O's American Kitchen
- O's American Kitchen- Mission Valley
- O's Cool Ice Cream
- O's Cool Ice Cream & BBQ
- O's Donuts
- O's Donuts and Cafe
- O's Grill
- O's Kitchen
- O'Shaughnessy's Public House
- O'Shay's
- O'shea's Candies
- O'Shimi Sushi
- O'Shine Teppan Grill
- O'side Bakery
- O'Side BBQ Man
- O'skis Pub & Grille
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