Do you need PRINCE2 Agile to be a project manager of agile projects?

No, you you do not need PRINCE2 Agile to be a project manager on agile projects. However, PRINCE2 Agile certification helps you to learn the PRINCE2 Agile framework. Learning PRINCE2 Agile will help you to become a better agile project manager because it is based upon the latest best practices in project management and agile development.

There are no prerequisites for taking a PRINCE2 Agile course and whilst working in the project profession is advantageous, it is not a requirement. That's because it helps a project manager understand the decisions that need to be taken on a project, when, and by whom. PRINCE2 Agile can also be applied to projects of any size which operate in an agile context.

Therefore agile project managers would have a better overall understanding of agile project management if they hold a PRINCE2 Agile certification.