Abstract: Provided are an infrared (Ir) face authentication apparatus, and a portable terminal and a security apparatus including the Ir face authentication apparatus. The Ir face authentication apparatus includes: a light source irradiating Ir light having a wavelength of 760 nm or higher onto a face; an imaging unit detecting reflected light of the Ir light to output an Ir image; and an authenticator performing authentication of the face using the Ir image. The Ir face authentication apparatus further includes a display displaying the Ir image output from the imaging unit, and the image unit and the display are installed on the same surface.