Red O is a Mexican-inspired restaurant chain with locations in Southern California, offering a blend of traditional Mexican cuisine and contemporary California flavors. Founded by celebrity chef Rick Bayless, the restaurant is known for its upscale dining experience and extensive menu.

While not a dedicated gluten-free restaurant, Red O caters to gluten-sensitive diners with an extensive selection of gluten-free options. Most of the menu is corn-based, with only a few items containing gluten. Red O's menu features a variety of options, from classic Mexican dishes to prime steaks and seafood.

The restaurant uses a dedicated fryer for its chips, ensuring they are gluten-free.

Red O's ambiance is described as luxurious, with interiors reminiscent of a high-end resort.The restaurant boasts an impressive bar and lounge area, featuring specialty cocktails, an extensive tequila list, and live entertainment.