Eket is the second largest city in Akwa Ibom State, Nigeria. The name also refers to the indigenous ethnic group of the region and to their language. The city itself, an industrial city that in recent years has become a conurbation engulfing separate villages, has a population of over 200,000, while entire urban area, which covers Nsit Ubium, Afaha Eket and Esit Eket, has a combined population of 364,489, the second largest urban population in Akwa Ibom state.

An oil refinery is currently under construction in the outskirts of the city along the Oron road. The city has a stadium complex, an airstrip as well as other infrastructures of importance. It also has a number of hotels such as Villa Marina, Royalty Hotels, Crystal Palace Hotel, Roseboom Hotels, and others.

Eket due to its industrial nature is a relatively expensive city. The government has plans of upgrading the city by the provision of further major roads in the city and the construction of housing estates.

In the 1990s, western environmentalists were concerned over the activities of oil exploitation in and around Eket, such as Shell and Mobil. The area is now newly "oil-rich" and Eket is the thriving hub of a new oil and gas business, with more than 250 companies providing support services such as catering, flights, and exports. However, this success has caused problems, especially a reluctance by local young men to engage in traditional work such as fishing. There are vocal local campaigns to increase the percentage of oil revenue that is given to the local community. Eket as an ethnic group comprises Eket, Esit Eket, Ibeno and Onna L.G.As