Restaurants (Starting with O)
- Ono Poké
- Ono Poke - Houston
- ONO Poke Shop
- Ono Sushi
- Ono Thai
- Onos Japanese Restaurant
- Onoya
- Onsen
- Ontar Thai Restaurant
- Ontario Donuts
- OnTrack Market
- Onyx
- Onyx Bar and Grill
- Onyx Coffee Lab
- Onyx SPORTSBAR
- Onyx Sweet Shoppe
- OO Tea
- Oo-kook Tofu & BBQ
- Ooba Tooba Mex Grill
- Oodle Noodle
- Oodles Noodle & Dumpling Bar @443 E. Main St.
- Oodles Noodle and Dumpling Bar @765 Neil Ave.
- Oodles Of Noodles
- OoFusion
- Ooga Booga Waffles
- Ooh La La
- Ooh La La Salads
- Ooh Lala Burgers
- OOH LALA RESTAURANT & BAKERY
- Ooh LaLa Salads
- Ooh Pasta!
- OOH RAW! Poke + Juice Bar
- Ooh Wee Bar-B-Q
- Oohh's & Aahh's
- OOJOO
- Ooka
- Ooka Asian & Sushi Bistro
- Ooka Chinese & Japanese Restaurant
- Ooka Japanese Sushi & Hibachi Steakhouse
- Ooka Sushi & Asian Cuisine
- Ookini Onigiri
- OoLaLa! Vietnamese Kitchen
- Oolong Chinese Bistro
- Oolong Tea
- Oolong Tea & Desserts
- Oolong Tea & Poke Bowl
- Ooo Cha
- Ooo La Lattes
- ooo Nobibi
- Ooo Wee Chicken and Ribs
- Ooowee Bbq
- Ooowee Chicken & Ribs
- OooWee Just Taste It
- OooWeee Just Taste It
- Oops I Cheesed My Crust
- Oops! Sushi & Sake Bar
- Oori Rice Triangles
- Ootori Sushi
- Ootoya
- Ootoya Sushi
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