Onjium
| Company type | Private |
|---|---|
| Industry | Restaurant |
| Founded | May 2013 |
| Headquarters | Seoul , South Korea |
Area served | South Korea, United States |
Key people | Cho Eun-hee (chef), Park Sung-bae (chef) |
| Products | Korean royal court cuisine |
Onjium () is an upscale dining establishment located in Seoul, South Korea, specializing in a contemporary rendition of Korean royal court cuisine. Since its founding in May 2013, the restaurant has been awarded one Michelin star each year from 2020 through 2024 and achieved the 21st position in the 2024 edition of Asia's 50 Best Restaurants. In November 2021, Onjium broadened its presence internationally by opening a branch at Genesis House in New York City. That same year, it introduced a delivery service brand named Onharu.
The culinary team is headed by chefs Cho Eun-hee (), who possesses expertise in Korean royal court culinary traditions, and Park Sung-bae, whose background includes training and work experience in both Japan and the United States. Onjium also maintains a dedicated fermentation facility situated in Namyangju and conducts internal educational sessions focused on Korean history and culture to enrich its gastronomic philosophy.