An image reading apparatus includes: a document table that includes one surface on which a document is to be placed; an image reader that is provided over the other surface of the document table and is configured to read an image of the document being placed on the document table; and a resin housing that houses the document table and the image reader therein. The image reader includes: an image sensor including a plurality of reading elements arranged in a first direction; a holder configured to support the image sensor; a resin guide integrally formed with the housing; a reinforcement member which is made by a metal plate and provided at the guide; and a driver configured to move the holder along the guide in a second direction substantially perpendicular to the first direction.