Cambodian cuisine combines the culinary traditions of many different ethnic groups in Cambodia, an important subset of which is Khmer cuisine, the nearly-two-thousand-year-old culinary tradition of the majority Khmer people. Over centuries, Cambodian cuisine has incorporated elements of Indian, Chinese, Portuguese and French cuisine, and due to some of these shared influences and mutual interaction, it has many similarities with the cuisines of Central Thailand, and Southern Vietnam and to a lesser extent also Central Vietnam, Northeastern Thailand and Laos.

The Khmer people are an Austroasiatic ethnic group native to Cambodia. They comprise over 95% of Cambodia's population of 17 million.They speak the Khmer language, which is part of the larger Austroasiatic-language family alongside Mon and Vietnamese.