Egypt

Egypt, officially the Arab Republic of Egypt, was a pre-War country located in Africa.

Fallout 2

 * The Great Ananias claims that he has a genuine Egyptian mummy, though it's actually the desecrated remains of Anna Winslow.

Fallout 4

 * Lorenzo Cabot hires a team of experienced Egyptian excavators to help him find the lost city of Ubar.
 * Deacon mentions Egypt among the other cradles of civilization, Sumer and Assyria.

Fallout 76

 * In the Mistress of Mystery television show, the titular character travels to Egypt twice, the second to vanquish the cult of the Unseen Seer.

Wild Appalachia

 * Egypt is mentioned in the Pioneer Scout camp terminal entries.

Appeances
Egypt is mentioned in Fallout 2, Fallout 4, Fallout 76 and its add-on Wild Appalachia.