In various embodiments, fulfilling a data subject access request may be particularly costly. In some embodiments, a company may store data regarding a particular data subject in multiple different locations for a plurality of different reasons as part of a plurality of different processing and other business activities. For example, a particular data subject may be both a customer and an employee of a particular company or organization. Accordingly, in some embodiments, fulfilling a data subject access request for a particular data subject may involve a plurality of different information technology (IT) professionals in a plurality of different departments of a particular company or organization. As such, it may be useful to determine a cost of a particular data subject access request (e.g., particularly because, in some cases, a data subject is entitled to a response to their data subject access request as a matter of right at no charge).