Bir Hakeim (; sometimes written Bir Hacheim) is in the Libyan desert at , and the site of a former Ottoman Empire fort built around the site of an ancient Roman well, dating to the period when the oasis was part of Ottoman Tripolitania. It is about west of Sollum on the Libyan coast, and south-east of Gazala. Bir Hakeim is best known for the battle of Bir Hakeim, which took place there during World War II.