A retractable table may include a table body wound around the retraction mechanism in the housing when accommodated and drawn out and unfolded to the outside of the housing through the accommodation hole when drawn out, and a support mechanism provided at a side end portion of the table body, including a plurality of pieces, each of which is folded to overlap the table body or unfolded from the table body, and including magnetic bodies provided on the pieces to provide rigidity such that, when the table body is deployed, the pieces are connected to each other through the magnetic bodies to maintain the deployed state of the table body.