An image reading apparatus includes a first medium support section, a casing, a reading unit, and a posture switching section. The first medium support section supports a medium to be fed. The casing includes a reading unit that performs reading on the medium fed from the first medium support section. The reading unit performs reading on the medium fed from the medium support section. The posture switching section is configured to switch between a first posture in which the casing is inclined obliquely and a second posture in which the casing is inclined with respect to a horizontal direction more than in the first posture. An upper face of the casing is configured to be utilized as a second medium support section that is configured to mount the medium when the casing is in the second posture.