Ruby's Diner
 | |
| Type | Private |
|---|---|
| Industry | Restaurant |
| Genre | Casual dining |
| Theme |
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| Founded | December 7, 1982 Newport Beach, California, U.S. |
| Founders | Doug Cavanaugh Ralph Kosmides |
| Headquarters | Irvine, California, U.S. |
Number of locations | 13 |
Area served | California, Nevada, and New Jersey |
| Key people | Doug Cavanaugh, CEO Ralph Kosmides, Chief administrative and development officer |
| Parent | Ruby's Hospitality Group IP, LLC |
| Website | www |
Ruby's Diner is a California-based U.S. chain of casual dining restaurants founded in 1982. The original location was a converted bait shack at the end of the Balboa Pier in Newport Beach. The restaurants are designed with a 40s, 50s and 60s atmosphere. As of 2024, most locations are in Southern California, but there are also locations in Atlantic City, New Jersey, and in Harry Reid International Airport.