Sure, there are many. Depending on the country you reside in, you will find different options. In Australia, Asia, Europe and the U.S. an example is Rally.
Here are other examples of companies providing Agile certifications:
the PMI itself
But feel free to Google “Agile certification,” you will find many options. Having said that, we still recommend this Best Selling course: Agile Crash Course: Agile Project Management; Agile Delivery