A foldable display is disclosed. In one aspect, the foldable display includes a housing comprising first and second supports and a hinge connecting the first and second supports to each other. The foldable display also includes a flexible display module connected to the first and second supports. The hinge includes a first body including a rotation portion and first and second axles engaged with the rotation portion. The hinge further includes a second body including a connection portion. First and second guide lines are defined in the connection portion and are respectively engaged with the first and second axles. The second guide line has a curved shape.