Nasi lemak (Jawi: ناسي لمق‎; Malay pronunciation: [ˌnasi ləˈmaʔ]) is a dish originating in Malay cuisine that consists of rice cooked in coconut milk and pandan leaf. It is commonly found in Malaysia, where it is considered the national dish. It is also a native dish in neighbouring areas with significant ethnic Malay populations, such as Singapore and Southern Thailand. In Indonesia, it can be found in parts of Sumatra, especially the Malay regions of Riau, Riau Islands, and Medan. It is considered an essential dish for a typical Malay-style breakfast.

Nasi lemak can also be found in the Bangsamoro region of Mindanao, prepared by Filipino Moros, as well as in Australia's external territories of Christmas Island and the Cocos (Keeling) Islands.^{[citation needed]}

Nasi lemak was mentioned as early as 1875 in a French–Malay dictionary compiled by Pierre-Étienne-Lazare Favre, a Roman Catholic missionary based on the Malay peninsula, and in a book titled The Circumstances of Malay Life, written by Richard Olaf Winstedt in 1909. With roots in Malay culture and cuisine, the name of the dish in Malay literally means "fat rice" but is taken in this context to mean "rich", or "creamy". This is derived from the cooking process, which involves soaking the rice in coconut cream and steaming the mixture. The addition of pandan leaves give the rice its distinct flavour.

Traditionally, nasi lemak is wrapped and served in banana leaves, together with a hot spicy sauce (sambal) and various garnishes, including fresh cucumber slices, fried anchovies (ikan bilis), roasted peanuts, and hard-boiled or fried eggs.

As a more substantial meal, nasi lemak may also be served with an additional protein dish such as ayam goreng (fried chicken), sambal sotong (cuttlefish in chili), small fried fish, cockles, and rendang daging (beef stewed in coconut milk and spices). Other accompaniments include stir-fried water convolvulus (kangkong) and spicy pickled vegetable salad (acar).

Nasi lemak is widely eaten in Malaysia and Singapore. Commonly eaten as breakfast in both countries, it is sold in hawker centres and roadside stalls.

In Indonesia, nasi lemak is also common breakfast fare, especially in Sumatra (Riau Islands, Riau, and Medan). In the Palembang and Jambi provinces, it is called nasi gemuk, since in Palembang Malay, gemuk is a synonym of lemak.

On 31 January 2019, Google released a Google Doodle celebrating nasi lemak.