Abadam is a Local Government Area of Borno State, Nigeria, on the western coast of Lake Chad. Its headquarters are in the town of Malumfatori.

It has an area of 3,973 km2 and a population of 100,180 at the 2006 census.

The postal code of the area is 602.

It is one of the sixteen LGAs that constitute the Borno Emirate, a traditional state located in Borno State, Nigeria.

In October 2014, Boko Haram fighters took over Abadam town, with at least 40 deaths, but fled after an attack by Multinational Joint Task Force (MNJTF) troops. Local residents, some of whom had fled to Niger border areas, were urged to return.

On 2 February 2015, the Nigerian Army said it had recaptured Abadam from Boko Haram, along with the nearby towns of Gamboru, Mafa, Mallam Fatori, and Marte, following joint military operations by Nigerian and Cameroonian forces, civilian forces, and three days of Chadian airstrikes. A bomb dropped by an air strike and smashed the midst of a mourning ceremony, which injured 27 peoples and killed 37 persons.Borno State senator Baba Kak Garbai however stated in February 2016 that the group still controlled Abadam. Major General Lucky Irabor also stated in August 2016 that Abadam was under control of the militants