An image processing apparatus includes: an image processing unit; an authentication-information input unit; a storage unit; and a controller. The storage unit stores a plurality of secure jobs and a plurality of authentication information associated with the secure jobs respectively. The controller is configured to: acquire first authentication information; in a case that the first authentication information matches an authentication information stored in the storage unit, cause the image processing unit to execute a secure job stored in the storage unit and associated with the authentication information; acquire second authentication information which has been inputted during an interruption of the secure job; and in a case that the second authentication information matches another authentication information, and that another secure job associated with the another authentication information is executable by the image processing unit, cause the image processing unit to execute the another secure job.