Rahab is a prominent character in the Book of Joshua. It is a girl's name but now rare.

Rahab may also refer to:

Rahab (term), a Hebrew term meaning: A Hebrew term meaning spacious place or rage, fierceness, insolence, pride. A mythical sea monster mentioned in the Book of Psalms and elsewhere. A poetic term for Egypt. Rahab (Legacy of Kain), a video game character.

See also Rehab (disambiguation)