A system and method of managing business process calendars. A method of managing a process includes defining at least one process to be performed by a first entity for at least one second entity, and associating a first subset of a plurality of tasks of the at least one process with the first entity. The method further includes associating a second subset of the plurality of tasks with the at least one second entity, and creating a process calendar based upon the at least one process and the plurality of tasks. The method additionally includes displaying the process calendar.