Onna is a Local Government Area in Akwa Ibom State, Akwa Ibom State, Nigeria. Its name comes from an acronym of the names of the four predominant clans in the area: Oniong, Nnung Ndem, Awa Afaha and Awa.

Onna has a population of about 495,000 people worldwide. Onna is bounded by the east by Ibeno, west by mpat enin and eastern Obolo and south by the Atlantic ocean. Because of its proximity to the Atlantic Ocean, the people of Onna are predominantly fishermen and farmers. Onna is one of the host to exon Mobil Nigeria, oil exploration is ongoing in communities such as Ukpana, Akpabom, Ikot Abasi, Ikwe etc. Onna play host to the Utapette, Atabrikang and Ibioto oil fields The oil rich local government is also home to a number of highly intellectual population who have made numerous impact in the community, nationwide and in the diasporas.

Awa Iman in Onna is the hometown of His Excellency, governor Udom Emmanuel. Udom Emmanuel become the governor of Akwa Ibom State in 2015 after taking over from his predecessor, senator Godswill Akpabio on the platform of the people's democratic party, PDP.