Provided is an image display mirror that includes a half mirror (130) and an image display apparatus (140), reduces an influence of a reflected image provided by the half mirror (130), and is excellent in visibility of an image displayed on the image display apparatus (140). The image display mirror for a vehicle includes: a first polarizing plate (110); a first liquid crystal cell (120); a half mirror (130); and an image display apparatus (140) in the stated order from a viewer side, in which in the first liquid crystal cell, a state in which a polarization direction of incident linearly polarized light is maintained and a state in which the incident linearly polarized light is transformed into circularly polarized light are switched in accordance with a voltage to be supplied.